Java初学,这个代码哪里错了,谢谢大佬 [问题点数:20分]

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这个程序哪里错了??谢谢
using System;rnrnnamespace UCOM.HRrn public class P76Arn public static int Main()rn int[] MyArray=new int[4];rn MyArray[0]=1;rn MyArray[1]=2;rn MyArray[2]=3;rn MyArray[3]=4;rn for(int i=0;i,MyArray.GetLength(0));rn return 1;rn rn rnrnrnrnrn*******************************rnrnMyArray[0] is 1rnMyArray[1] is 2rnMyArray[2] is 3rnMyArray[3] is 4rnrn未处理的异常: System.FormatException: 索引(从零开始)必须大于或等于零,且小于参rn数列表的大小。rn at System.Text.StringBuilder.AppendFormat(IFormatProvider provider, String fornrmat, Object[] args)rn at System.String.Format(IFormatProvider provider, String format, Object[] argrns)rn at System.IO.TextWriter.WriteLine(String format, Object arg0)rn at System.IO.SyncTextWriter.WriteLine(String format, Object arg0)rn at UCOM.HR.P76A.Main() in f:\net\jtgj\P76A.cs:line 15rn
这段代码哪里错了谢谢
Private Sub Command1_Click()rnDim s As Integerrns = Text1.TextrnIf s Mod 3 = 0 Then x = MsgBox("是3的倍数", vbOKOnly, "数值判断")rnElse: If s Mod 3 <> 0 Then x = MsgBox("不是3的倍数", vbOKOnly, "数值判断")rnEnd IfrnEnd Subrnrn反正就是不能执行
请问这个代码哪里错了
import <em>java</em>.util.*;rnpublic class ss16 rn public static void main(String[] args) rn double sum;rn double[] num=new double[10];rn Scanner input=new Scanner(System.in);rn for(int i=0;i<10;i++)rn num[i]=input.nextDouble();rn rn for(int j=0;j
这个代码哪里错了,求救!!!
逻辑错误,那个count累加怎么这么多rn[code=C/C++]rn#include rnusing namespace std;rnint main()rnrn int n,i,j,k,count=0;rn cout<<>n;rn double *a=new double[n];rn for(i=0;i>a[i];rn for(i=0;ia[j])rn swap(a[i],a[j]);rn rn rn for(i=0;i
这个代码不知道哪里错了
rnrnrnrnrnrnrn
这个模块代码哪里错了
[code=VB]Public m As StringrnPublic i As StringrnPublic m As StringrnPublic i As StringrnPublic flag As IntegerrnrnPublic Function exesql(ByVal sql As String) As ADODB.Recordsetrnsql = Trim$(sql)rnSet conn = New ADODB.ConnectionrnSet rst = New ADODB.Recordsetrnconn.ConnectionString = "DSN=myjon;UID=sa;PWD=;"rnconn.OpenrnSet rst.ActiveConnection = connrnrst.LockType = adLockOptimisticrnrst.CursorType = adOpenKeysetrnrst.Open sqlrnSet exesql = rstrnSet rst = NothingrnSet conn = NothingrnEnd Function[/code]每次一运行就是conn.Open这里出现错误
初学java 代码问题,这段代码哪里错了
rnrn rn 选项卡rn rn rnrnrnrn rn rnrnrnrnrnrn想要的效果就是点击图片列表显示div1 点击文章列表显示div2rnrn但是不行,以上<em>代码</em><em>哪里</em>不对? 我是新学的,经常会犯少加个标点,打错个字母...这样的错误,有没有什么方法经验可以尽量避免这样子的错误?前辈!
初学Java,帮忙看下到底哪里错了
[code=<em>java</em>]rnrnrnrnrnrnrnrnrnrn
大家帮我看下这个哪里错了 谢谢
[img=https://img-bbs.csdn.net/upload/201401/23/1390464039_631044.jpg][/img]rnrnajax请求成功了 但是最后一个让按钮失效的JS效果没有出来 大家帮我看下<em>这个</em><em>哪里</em><em>错了</em> <em>谢谢</em>
帮我看看这个存储过程哪里错了谢谢
SqlConnection myConnection = new SqlConnection(SqlHelper.DBCONNECTIONSTRING); rnSqlCommand myCommand = new SqlCommand("DP_AddUserUnion",myConnection);rn//定义访问数据库的方式为存储过程rnmyCommand.CommandType = CommandType.StoredProcedure;rn//创建访问数据库的参数rnSqlParameter[] paramCache = SqlHelper.GetCachedParameters(paramAddUser);rnif(paramCache == null)rnrn paramCache = new SqlParameter[]rn rn new SqlParameter("@UnionID",SqlDbType.Int),rn new SqlParameter("@UserID",SqlDbType.Int),rn new SqlParameter("@NewUnionName",SqlDbType.VarChar,50)rn ;rn SqlHelper.CacheParameters(paramAddUser,paramCache);rn rnrnDianPing.Class.SqlHelper.AddMyCommandParams(myCommand,paramCache);rnparamCache[0].Value = Int16.Parse(UnionID);rnparamCache[1].Value = Int32.Parse(UserID);rnparamCache[2].Direction = ParameterDirection.ReturnValue;rn//打开数据库的连接rnmyConnection.Open();rn//执行数据库的存储过程(访问数据库)rnmyCommand.ExecuteNonQuery(); /////////////////这里出错,跳出rn//关闭数据库的连接rnmyConnection.Close();rnrnrnrn存储过程如下:rnrnPROCEDURE DP_AddUserUnionrn (rn @UnionID int,rn @UserID intrn )rnASrnDECLARE @UseroldUnionID varchar(255) rnDECLARE @NewUnionName varchar(50)rnrnselect @UseroldUnionID = UnionID from tblUser where id = @UserIDrnrnselect @NewUnionName = UnionName from tblUnion where id=@UnionID --新的union名字rnrnupdate tblUser set UnionID = @UseroldUnionID+CONVERT(varchar(20),@UnionID)+'|' where id= @UserIDrn rnRETURN @NewUnionName
这个哪里错了?????????????速度,谢谢....
我在一个事件里这样调用toolbar里的一个搜索事件.可是说我类型不匹配...rn  Dim a As Buttonsrn Set a = tlbHuman.Buttons("Find")rn Set a = tlbHumanrn Call tlbHuman_ButtonClick (a)   '这是调用toolbar里的点击搜索的事件.rnrn我找不到原因.不太明白.请指教....
帮我检查一下这个查询哪里错了.谢谢
SELECT T2.*,(SELECT T1.N<>T2.MARC_PRCTR FORM [tbl_Rule_Product_Hierarchy] as T1 WHERE rnrn(T1.Product_Hierarchy = T2.MVKE_PRODH)) As NotCheck FROM tbl_CH00_FG as T2
这个hibernate联合查询语句哪里错了 谢谢
from TopicResult tr ,ContentPage cp where tr.pageId=cp.id and tr.themes=? tr.datetime=?rnrn为什么是空指针异常?rnException in thread "main" <em>java</em>.lang.NullPointerExceptionrn at com.ftsoft.buzzfocus.commons.SimpleHibernateDao.find(SimpleHibernateDao.<em>java</em>:209)rn at com.ftsoft.buzzfocus.service.ThemeService.getAllTheme(ThemeService.<em>java</em>:23)rn at Test.main(Test.<em>java</em>:7)
大家帮我看看这个代码哪里错了 谢谢
rnrnrnrn rn rn JSP for Java_mailForm formrn rn rn rn rn rn rn rn rn rn rnrnrn用途是点击这样一个连接http:\\localhost:8080\test\<em>java</em>_mail.jsp?name=user&code=123&flag=truern自动把form表单提交到stuts后台处理rn错误提示是rndescription The server encountered an internal error () that prevented it from fulfilling this request.rnrnexception rnrnorg.apache.jasper.JasperException: /<em>java</em>_mail.jsp(10,2) Attribute name invalid for tag form according to TLDrn org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.<em>java</em>:40)rn org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.<em>java</em>:407)rn org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.<em>java</em>:236)rn org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.<em>java</em>:986)rn org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.<em>java</em>:706)rn org.apache.jasper.compiler.Node$CustomTag.accept(Node.<em>java</em>:1442)rn org.apache.jasper.compiler.Node$Nodes.visit(Node.<em>java</em>:2164)rn org.apache.jasper.compiler.Node$Visitor.visitBody(Node.<em>java</em>:2214)rn org.apache.jasper.compiler.Node$Visitor.visit(Node.<em>java</em>:2220)rn org.apache.jasper.compiler.Node$Root.accept(Node.<em>java</em>:457)rn org.apache.jasper.compiler.Node$Nodes.visit(Node.<em>java</em>:2164)rn org.apache.jasper.compiler.Validator.validate(Validator.<em>java</em>:1484)rn org.apache.jasper.compiler.Compiler.generateJava(Compiler.<em>java</em>:167)rn org.apache.jasper.compiler.Compiler.compile(Compiler.<em>java</em>:296)rn org.apache.jasper.compiler.Compiler.compile(Compiler.<em>java</em>:277)rn org.apache.jasper.compiler.Compiler.compile(Compiler.<em>java</em>:265)rn org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.<em>java</em>:564)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.<em>java</em>:299)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.<em>java</em>:315)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.<em>java</em>:265)rn <em>java</em>x.servlet.http.HttpServlet.service(HttpServlet.<em>java</em>:803)rnrnrnnote The full stack trace of the root cause is available in the Apache Tomcat/5.5.23 logs.rnrn请大家多多指教 帮我把<em>代码</em>改一下 实现自动提交表单的功能
请问这个SSE求绝对值的代码哪里错了谢谢
function TestAbsSSE(const p0: Single): Single;rnasmrn push eaxrn mov eax, $7FFFrn movss xmm0, p0rn movss xmm1, [eax]rn andps xmm0, xmm1rn //andnps xmm0, xmm1rn movss Result, xmm0rn pop eaxrnend;rn运行时,提示“movss xmm1, [eax]”<em>错了</em>,我应该怎么改?<em>谢谢</em>rnp0是参数,Result是函数返回值rn
初学JSP,不知道哪里错了
rnrnrnrnrn rn rn Timern rn rn rn rn rn rn rnrn rnrn这是书上的一个源程序,但是就是不对,不知道<em>哪里</em><em>错了</em>,看了好多遍还是不知道<em>哪里</em><em>错了</em>。<em>谢谢</em>rn rn rnrn
哪里错了谢谢
rn rn rn rn rnrn rn rnrnrn rn
初学C,哪里错了
#include rn#include rnmain()rnrnint i,m;rnint a=9;rnint b[]=1,3,5,7,8,9;rnint c[]=10,30,50,70,80,90;rnfor(i=0;i,m) ;rn rnrn
这个函数哪里错了
// 十进制转转二进制码rnchar* dectobinary(long int value)rnrn char* res;rn itoa(value,&res,2);rn return res;rnrnrn函数作用是把一个十进制整数转换为二进制数,并且以字符串的形式返回,为什么老是出错,不知道是<em>哪里</em>出问题了。
这个哪里错了
#includernstruct Studentrnrn long int num;rn char name;rn float score;rn;rnint main()rnrn int i,n;rn float average,sum=0;rn scanf("%d",&n);rn struct Student stu[n];rn struct Student temp;rn for(i=0;i
这个语句哪里错了??
(select cid,aid,pidrnfrom Customers,Agents,Products)rnexceptrn(select cid,aid,pidrnfrom Customers,Agents,Productsrnwhere Customers.city = Agents.city and Customers.city = Products.city)
这个哪里错了
import <em>java</em>x.swing.*;rnpiblic class FirstGUIrn public static void main(String []args)rn JFrame f=new JFrame();rn f.setTitle("FristFrame");rn f.setSize(250,100);rn f.show();rn rn
这个哪里错了。。
void CPractise1View::OnLButtonDown(UINT nFlags, CPoint point) rnrn CInputDialog inputDialog(NULL);rn inputDialog.Create(IDD_DIALOG1,NULL);rn inputDialog.DoModal();rn CDC *dc = GetDC();rn CString string;rn string.Format("NAME:%s",inputDialog.m_strName);rn dc->TextOut(0,0,string);rn ReleaseDC(dc); rnrn按鼠标左键一下就应该出现一个Dialog啊,可我一按左键就出错。。。为啥那???
这个函数参数哪里错了?
#include rn#include rnusing namespace std;rnrnint MY_WEAPON = 2257;rnrnvoid main() rn rn fstream fs("save000.dat", ios::in | ios::out | ios::binary);rn if(!fs) rn cerr << "cannot open file\n";rn exit(1);rn rn// cout << "press 'L' to list commands" << endl;rn char buffer[] = "AAACCC";rn modify(fs, MY_WEAPON, buffer);rnrnrn fs.close();rnrnrnvoid modify(fstream fs, int offset, char buf[]) rn fs.seekp(offset, ios::beg);rn fs.write(buf, strlen(buf));rnrnrn错误提示好像说modify的参数传递有问题,问题在哪儿呢?
请问这个哪里错了???
[code=C/C++]rn#include rn#include rnrn#define BASEPAYA 8.75;rn#define BASEPAYB 9.33;rn#define BASEPAYC 10.00;rn#define BASEPAYD 11.20;rn#define BASEHRS 40;rn#define OVERTIME 1.5;rn#define AMT1 300;rn#define AMT2 150;rn#define RATE1 0.15;rn#define RATE2 0.20;rn#define RATE3 0.25;rnrnvoid memu(void);rnchar get_first(void);rnint main(void)rnrn char choice;rn double hours;rn double pay;rn double taxes;rn double gross;rn double net;rnrn memu();rn while((choice = get_first()) != 'q')rn rn if(isspace(choice))rn continue;rn choice = tolower(choice);rn switch(choice)rn rn case 'a': pay = BASEPAYA;rn break;rn case 'b': pay = BASEPAYB;rn break;rn case 'c': pay = BASEPAYC;rn break;rn case 'd': pay = BASEPAYD;rn break;rn default : printf("Please resume enter:");rn memu();rn continue;rn rn printf("Please enter work time:\n");rn scanf("%lf", &hours);rn // 总额rn if(hours )rn continue;rn return ch;rnrnrn[/code]rnvc++6.0编译报错,貌似是if和else那段出错。。可我不知道错在<em>哪里</em>。。
这个存储过程哪里错了
CREATE PROCEDURE hotel_GetGiftProvidern @cardsCode char(10),rn @giftCode varchar(50)rnASrn declare @s nvarchar(4000)rn set @s='select * from table_GiftGiving where 1=1 'rn if @cardsCode<>''rn set @s=@s + ' and cardsID in (select cardsID from table_Cards whererncardsCode='+@cardsCode+') 'rn if @giftCode<>''rn set @s=@s + ' and giftID in (select giftID from table_Gift whererngiftCode like %'+@giftCode+'%)'rn EXEC (@s)rnGOrn在程序中执行,报错“第1行,‘01’附近有语法错误。”rn注:01是变量@giftCode的值rn怎么回事?请帮忙看看
这个正则哪里错了
正则如下rnstr..match(/http:\/\/.*\.(html|shtml|htm|com)/g);
这个正则表达式哪里错了
var reg= /^-?[1-9]\d*|0\,\-?[1-9]\d*|0$/;rnreg.test("-1r0,4") 咋返回 ture 呀 应该为false 呀rnrn我要的模式是 逗号前后只能为 整数 或 0, 但不能为 -0
这个循环哪里错了
如果输入回车的话,循环就结束。rn然后打印出所有的titlern但是好像判断条件<em>错了</em>。rn怎样判断输入的是空格呢?rnrn#include rn#include rnstruct bookrnrn rn int id;rn char title[20];rn ;rnstruct book item[10];rn main()rn rn rn int l=0;rn puts("input the book title");rn while(gets(item[l].title!=NULL)rn rn item[l].id=l+1;rn l++;rn rn int k=0;rn while(item[k].title!=0)rn rn printf("id is%d,",item[k].id);rn printf("内容是%s ",item[k].title);rn k++;rn rn rn getchar(); rn rn rn rn rn rn rn
这个程序哪里错了
#include rn#include rnvoid main()rnrn int stoi(char *str);rn int n;rn char str[15]=0;rn printf("请输入一个字符串: ");rn scanf("%s", &str);rn stoi(str);rn printf("%d\n", n);rnrnint stoi(char *str)rnrn int n;rn n=atoi(str);rn return n;rnrnrnrnrn编译没错,但输入后回车,出来了-858993460,应该是输入字符串数字,输出整型的才对
这个函数模板哪里错了??
#include rnrnusing namespace std;rnrntemplate < class Type,int size>rnType min(Type (&r_array)[size])rnrn Type min_val=r_array[0];rn for (int n=1;n' : reference to a zero-sized array is illegalrn error C2784: 'Type __cdecl min(Type (&)[1])' : could not deduce template argument for ' (&)[1]' from 'int [7]'rn error C2784: 'Type __cdecl min(Type (&)[1])' : could not deduce template argument for ' (&)[1]' from 'double [5]'
这个分割哪里错了
if (m_HSplitter.CreateStatic(this, 1, 3) == NULL)rn rn return FALSE;rn rn但是只要一执行到<em>这个</em>地方,就弹出错误报告,看例程上就是这么写得,不明白,郁闷,希望高手解答。
这个程序哪里错了????
#includern#includern#includernusing namespace std;rnclass Arnrnprivate:rn char name[5],sex[2];rn int age;rnpublic:rn A(char *n,int a,char *s)rn rn strcpy(name,n);rn age=a;rn strcpy(sex,s);rn rn;rn int main()rnrn A a1("章",22,"m");rn A a2("网",23,"w");rn A a3("丽",25,"m");rn vector i;rn i.push_back(a1);rn i.insert(i.begin(),a2);rn i.push_back(a3);rn vector::iterator ii;rn for(ii=i.begin();ii!=i.end();ii++)rn cout<
这个函数哪里错了??????
create or replace function phje(kjyf varchar2(7)) return integerrnisrn je number(15,2);rnbeginrn select sum(n0008+n0009+n0011+n0013-n0010-n0012-n0014-n0037) into je from total_month where c0002=kjyf;rn if je=0 thenrn return 1;rn elsern return 0;rn end if;rnend phje;rn/rn
帮忙看看代码哪里错了. 谢谢
原文rnhttp://sm.fixdown.net:88/article/article/104.htmrnrn我用delphi写的,但不成功. 不知道错在哪,请帮忙看看,<em>谢谢</em>了.rnrnunit tUnit1;rnrninterfacernrnusesrn Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,rn Dialogs, StdCtrls, Tlhelp32,IdTCPServer,PSAPI;rnrntypern TRemotePara=recordrn pMessageBox:array [0..12] of char;rn dwMessageBox:DWORD;rn end;rn TForm1 = class(TForm)rn Button1: TButton;rn procedure Button1Click(Sender: TObject);rn privatern Private declarations rn publicrn Public declarations rnend;rnrnvarrn Form1: TForm1;rnrnimplementationrnrn$R *.dfmrnrnfunction SetPrivilege():Boolean;rnconstrn SE_DEBUG_NAME='SeDebugPrivilege';rnvarrn hToKen:Thandle;rn tp:TOKEN_PRIVILEGES;rn RL:DWORD;rnbeginrn Result:=false;rn if OpenProcessToken(GetCurrentProcess,TOKEN_ADJUST_PRIVILEGES,hToKen) thenrn if LookupPrivilegeValue(nil,SE_DEBUG_NAME,tp.Privileges[0].Luid) thenrn beginrn tp.PrivilegeCount:=1;rn tp.Privileges[0].Attributes:=SE_PRIVILEGE_ENABLED;rn Result:=AdjustTokenPrivileges(hToKen,false,tp,sizeof(tp),nil,RL);rn end;rn CloseHandle(hToKen);rnend;rnrnfunction ThreadProc(lpPara:TRemotePara):DWORD;stdcall;rnVar myMessageBox:function(hWnd:THandle;lpText:pchar;lpCaption:pchar;uType:cardinal):integer;stdcall;rnbeginrn myMessageBox:=pointer(lpPara.dwMessageBox);rn myMessageBox(0,lpPara.pMessageBox,lpPara.pMessageBox,0);rnend;rnrnfunction GetProcID(const ProcName:string):DWORD;rnvarrn sNap:integer;rn hProc:PROCESSENTRY32;rn CL:Boolean;rnbeginrn Result:=0;rn sNap:=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);rn hProc.dwSize:=sizeof(hProc);rn CL:=Process32First(sNap,hProc);rn while CL dorn beginrn if UpperCase(hProc.szExeFile)=UpperCase(ProcName) thenrn beginrn Result:=hProc.th32ProcessID;rn break;rn end;rn CL:=Process32Next(sNap,hProc);rn end;rn CloseHandle(sNap);rnend;rnrnprocedure TForm1.Button1Click(Sender: TObject);rnconst ThreadSize:DWORD=1024*4;rnvar byte_write:DWORD;rn hWnd:THandle;rn pRemoteThread,pRemotePara:pointer;rn myRemotePara:TRemotePara;rn hUser32,hThread:THandle;rn lp:DWORD;rn// myMessageBox:function(hWnd:THandle;lpText:pchar;lpCaption:pchar;uType:cardinal):integer;stdcall;rnbeginrn// myMessageBox:=GetProcAddress(LoadLibrary('user32.dll'),'MessageBoxA');rn// lp:=DWORD(GetProcAddress(LoadLibrary('user32.dll'),'MessageBoxA'));rn// myMessageBox:=pointer(lp);rn// myMessageBox(0,'aa','aa',0);rn// exit;rn winexec('notepad.exe',1);rn SetPrivilege;rn hWnd:=OpenProcess(PROCESS_ALL_ACCESS,FALSE,GetProcID('notepad.exe'));rn pRemoteThread:=VirtualAllocEx(hWnd,nil,THREADSIZE,MEM_COMMIT + MEM_RESERVE,PAGE_EXECUTE_READWRITE);rn WriteProcessMemory(hWnd,pRemoteThread,@ThreadProc,THREADSIZE,byte_write);rnrn ZeroMemory(@myRemotePara,SizeOf(TRemotePara));rn hUser32:=LoadLibrary('user32.dll');rn myRemotePara.dwMessageBox:=DWORD(GetProcAddress(hUser32,'MessageBoxA'));rn strcat(myRemotePara.pMessageBox,'hello');rn pRemotePara:=VirtualAllocEx(hWnd,nil,sizeof(TRemotePara),MEM_COMMIT,PAGE_READWRITE);rn WriteProcessMemory(hWnd,pRemotePara,@myRemotePara,sizeof(myRemotePara),byte_write);rn hThread:=CreateRemoteThread(hWnd,nil,0,pRemoteThread,pRemotePara,0,byte_write);rn if hThread=0 then showmessage('error');rnend;rnrnend.
我的phpmailer代码哪里错了谢谢
在同一目录下有class.phpmailer.php文件和class.smtp.php文件。rnrn发送<em>代码</em>如下:rnisSMTP();rn $mail->SMTPAuth=true;rn $mail->SMTPSecure="ssl";rn $mail->Host="smtp.qq.com";rn $mail->Port="25";rn $mail->CharSet="UTF-8";rn $mail->Username="xxxxxxx@qq.com";rn $mail->Password="xxxxxxx";rn $mail->Subject="测试标题";rn $mail->Body="测试内容";rn $mail->AddAddress("xxxxxxx@qq.com");rn rn var_dump($mail->Send());rn?>rnrn结果返回:bool(false) rnrn请问我的<em>代码</em><em>哪里</em><em>错了</em>,<em>谢谢</em>
这个自定义函数哪里错了
请大家帮个忙,帮俺看看rnrn[code=SQL]set global log_bin_trust_function_creators = 1; -- 这句干嘛用的,我也不知道?加上总不会有问题rnDROP FUNCTION IF EXISTS FUN_GETCODENAME; -- 删掉已经存在的rnDELIMITER $$ -- 定义分隔符,必须要有,可以不是$$rnCREATE FUNCTION FUN_GETCODENAME(rn STRCODETYPE CHAR(3)rn , STRCODEID VARCHAR(10)rn ) -- 多个参数用,分割 参数的类型必须是mysql列存在的类型rnrnRETURNS VARCHAR(50) -- 指定返回值类型,如果你不确定返回文本长度,可以使用textrnrnBEGINrn DECLARE str varchar(50) default ''; -- 定义一个变量,可以指定默认值rn rn SELECT CODE_NAME INTO @STR FROM S_CODE WHERE TYPE_ID = @STRCODETYPE AND CODE_ID = @STRCODEID; -- 设置改边变量的值rn rn RETURN str; -- 返回值rnEND $$ -- 注意看清楚了,<em>这个</em>end后面有你在前面定义的分割符号rnrnDELIMITER $$ -- 好,这里结束。[/code]rnrn
这个哪里错了
[code=C/C++]#include rnusing namespace std;rnrnint gcd(int v1,int v2)rnrn while(v2)rn rn int temp=v2;rn v2=v1 % v2;rn v1=temp;rnrn rn return v1;rnrnrnint main()rnrn cout<<>i>>j>>endl;rn cout<<
这个哪里错了!!
rnrnrnrnrnrnrn运行结果显示:下标越界"4".<em>这个</em>错在<em>哪里</em>
这个程序哪里错了?
#include "stdafx.h"rnusing namespace std;rnrntemplaternT Max(T a,T b)return a>=b?a:b;rntemplaternT *Max(T *a,T *b)return *a>=*b? a:b;rntemplate<>rnchar *Max(char *a,char *b)rnreturn strcmp(a,b)>=0?a:b;rnrnrn//char *Max(char *a,char *b)return strcmp(a,b)>=0?a:b;rnrnvoid main()rndouble d3=3.3,d5=5.5;rncout<
这个SQLBindParameter()哪里错了
char *strName = "DF",char *strPassword = "DF";rn rnSQLBindParameter(_hstmt,1,SQL_PARAM_INPUT,SQL_CHAR,SQL_CHAR,15,15,strName,15,&length);rnSQLBindParameter(_hstmt,2,SQL_PARAM_INPUT,SQL_CHAR,SQL_CHAR,15,15,strPassword,15,&length);rn_retcode =SQLExecDirect(_hstmt,(SQLCHAR*)("call InsertLogin1(?,?"),SQL_NTS);
这个存储过程哪里错了
CREATE procedure sp_YG_StUnitMedPlanrn@unitID char(36),rn@plansum float outputrnasrn--定义游标rndeclare cur cursor for select sum(RetirePlanSum+OntheJobPlanSum) from HRW_YG_UnitMedicalPlan join ORG_Unit ON HRW_YG_UnitMedicalPlan.UnitID=ORG_Unit.ID rnwhere ID=''+@unitID+''rn--定义一个变量来接收游标的值rn--打开游标rnopen currnset @plansum=0.0--给@plansum初值rn--提取游标的值rnfetch next from cur into @plansumrnif @@fetch_status<>0rn print '错误'rnprint @plansumrn--关闭游标rnclose currn--销毁游标rndeallocate currnGOrnrn我在查询分析器中这样调用:rndeclare @f floatrnexec sp_YG_StUnitMedPlan '7AE0A3FB-2D6C-4E51-8B10-71EAFA2D2690',frnrn出现错误为:rn服务器: 消息 8114,级别 16,状态 4,过程 sp_YG_StUnitMedPlan,行 0rn将数据类型 nvarchar 转换为 float 时出错。rn
这个哪里错了
split函数rn格式: v=split(s,d])rn用法:把字符串s分割成字符串数组,分隔符为d.rn
这个更新哪里错了
[code=SQL]rnUPDATE [dbo].[Student]rn SET [dbo].[Student].[Major] = '教育技术学(信息技术教育方向)'rn[/code]rnrn提示:rn[color=#FF0000]消息 512,级别 16,状态 1,过程 tri_stu_aidu,第 17 行rn子查询返回的值不止一个。当子查询跟随在 =、!=、、>= 之后,或子查询用作表达式时,这种情况是不允许的。rn语句已终止。[/color]
这个触发器哪里错了?????????
我写了一个入库表(menter)的触发器,修改库存表depots,如果menter保存成功了,不报什么错,但是一旦保存失败,就报 缺少相应的begin tranrn我不知<em>哪里</em><em>错了</em>,加了好几个begin tran,还是出错,请各位老师指点迷津,<em>谢谢</em>各位了!!!!如果哪位大侠能详细指点一下begin tran roll back commit tran 在触发器中如何很好的使用,在下将不胜感激,<em>谢谢</em>各位!!!!<em>谢谢</em>!!!rn具体触发器的写法如下:rnrnCREATE TRIGGER [instore] ON dbo.menter rnFOR INSERTrnASrndeclare @n_mnum numeric(10,2),@n_mtrueprice numeric(10,2),@n_mprice numeric(10,2)rndeclare @s_mcode varchar(30),@s_mname varchar(30),@s_munit varchar(16),@s_mtype varchar(20),@s_bigsort varchar(16)rnrnrnrnif @@error<>0rnrnbeginrn begin tranrn rollback tranrn raiserror('插入操作失败!',16,10)rn returnrnend rnselect @n_mnum=i.mnum,@n_mtrueprice=i.mtrueprice,@s_mcode=i.mcode,@n_mprice=i.mprice from inserted i rnrnif exists (select * from depots d,inserted i where d.mcode=i.mcode)rnbeginrnbegin tran rn update depots set depots.mtrueprice= (depots.mtrueprice* depots.mnum + @n_mtrueprice* @n_mnum)/(@n_mnum + depots.mnum) where depots.mcode=@s_mcodern if @@error<>0 rollback tranrnupdate depots set depots.mnum=depots.mnum + @n_mnum where depots.mcode=@s_mcodern if @@error<>0 rnrollback tranrn elserncommit tranrnrnendrnrnelsernbeginrn begin tranrn select @s_mcode=i.mcode, @s_mname=i.mname ,@s_mtype=i.mtype,@s_munit=i.munit,@s_bigsort=i.bigsort,@n_mtrueprice=i.mtrueprice from inserted irninsert into depots (mcode,mname,mtype,munit,mnum,mprice,bigsort,mtrueprice) rn values (@s_mcode,@s_mname,@s_mtype,@s_munit,@n_mnum,@n_mprice,@s_bigsort,@n_mtrueprice)rn if @@error<>0 rnrollback tranrnelserncommit tranrnrnendrnrnrn请指点<em>哪里</em><em>错了</em>!!!!<em>谢谢</em>!!!rn
这个JS哪里错了
我是想检验一个下拉列表的值,可为什么错呢?我的<em>代码</em>如下:rnrn rn rn rn rn namern rnrnrn worn nirn rnrnrn rn rn sex rn rnrnrn 男rn 女rn rnrnrn rn rn rn rn rn rn rnrnrn运行说form1.select1为空或不是对象,真不明白!rnrn
这个程序哪里错了
#include "stdio.h"rnvoid main()rnrn int j,i,k;rn for(j=1;i);rnrnrn
这个ASP哪里错了
浏览器不提示出错,但是似乎陷入死循环。页面一直不显示。鼠标也一直是箭头加沙漏的样子。rnrnrnrnrn Lucky7同学录rn rn rnrnrn rn rn 最新留言rn rn rn 日期rn 内容rn 发布人rn rn rn rn rn rn rn rn rn rn rn rnrnrnrnrn大家看看吧!
请问这段代码哪里错了谢谢
rnrnrn rn 批量修改数据rn rn rnrn rnrn rn rn rn rnrnrn
◆◆◆●这个拷贝构造函数哪里错了????
matrix::matrix(const matrix &m1): rn _row(m1._row), rn _line(m1._line) rn rn for (int i=0;i<_line;++k) rn rn _pm[j][k]=m1._pm[j][k]; //这里有问题吗rn rn rn其中_line和_row为 int rnint **_pm;
这个语句哪里错了
sql.Add('Insert into emailadd(user, emailaddress) values(:p0, :p1)'); Parameters[0].Value := user.Text;rnParameters[1].Value := emailAdd.Text;rnrnrnrn为什么老是提示我语法错误。我平时都是这么用的是好的。搞不懂。
这个哪里错了
[code=C/C++]#includern#includernusing namespace std;rnint main()rnrn vector snum;rn int count;rn cout<>count)rn snum.push_back(count);rn int *pt= new int[snum.size()];rn int *pt2=pt;rn for(vector::iterator i=snum.begin();i!=snum.end();++i,++pt)rn *pt2=*i;rn delete [] pt;rn for(int a=0;a!=sizeof(pt2)/sizeof(int);a++)rn cout<
这个判断哪里错了
想了很久,没有搞懂,<em>哪里</em><em>错了</em>,盼指教~~rnrn[color=#FF0000]程序目标:首先判断当前记录中的beizhi字段,如果是默认值“1”,则自动打开<em>这个</em>页面“'ly_mod.asp?id=”,如果beizhi字段不是“1”,则弹出提示框并将返回值与beizhi字段判断,如果两者相等,指向指定页面,否则返回。[/color]rnrn
这个析构函数哪里错了
调试了下,错误定位在析构函数,大家帮忙看下..........为了方便,<em>代码</em>全附上,应付作业..用动态数组求多项式...写得很烂,别见笑rn头文件:rn[code=C/C++]#ifndef POLY_Hrn#define POLY_Hrn#includernusing namespace std;rnstruct termrnrn double coef;rn int exp;rn;rnclass polyrnrnpublic:rn poly(const int n);rn poly(const poly& p);rn poly();rn ~poly();rn friend poly operator +(const poly p1, const poly p2);rn friend poly operator -(const poly p1, const poly p2);rn friend poly operator *(const poly p1, const poly p2);rn void operator = (const poly p);rn double result(double x);rn void getCoef();rn void setCoef();rnprivate:rn int max;rn term* expression;rn;rn rn#endif[/code]rnrn实现文件[code=C/C++]#includern#includern#include"poly.h"rnusing namespace std;rnpoly::poly(const int n)rnrn max = n;rn expression = new term [max];rnrnrnrnpoly::poly()rnrn max = 1;rn expression = new term [max];rn expression[0].coef=expression[0].exp =0;rnrnrnrnvoid poly::operator =(const poly p)rnrn int i = 0;rn max = p.max;rn while(ip2.max)rn n = p1.max;rn elsern n = p2.max;rn poly temp(n);rn int i = 0,j = 0,t =0;rn while(t p2.expression[j].exp)rn rn temp.expression[t].coef = p1.expression[i].coef;rn temp.expression[t].exp = p1.expression[i].exp;rn t++;rn i++;rn rn elsern rn temp.expression[t].coef = p1.expression[i].coef+p2.expression[j].coef;rn temp.expression[t].exp = p1.expression[i].exp+p2.expression[j].exp;rn t++;rn i++;rn j++;rn rn rn while(i p2.max)rn n = p1.max;rn elsern n = p2.max;rn poly temp(n);rn int i = 0,j = 0,t =0;rn while(t p2.expression[j].exp)rn rn temp.expression[t].coef = p1.expression[i].coef;rn temp.expression[t].exp = p1.expression[i].exp;rn t++;rn i++;rn rn elsern rn temp.expression[t].coef = p1.expression[i].coef-p2.expression[j].coef;rn temp.expression[t].exp = p1.expression[i].exp-p2.expression[j].exp;rn t++;rn i++;rn j++;rn rn rn while(i >expression[i++].coef;rn rnrn[/code]rnrn主文件rn[code=C/C++]#includern#include"poly.h"rnrnusing namespace std;rnrnint main()rnrn poly p1(5);rn p1.setCoef();rn poly p2(p1);rn p1.getCoef();rn p2.getCoef();rn poly p3;rn p3 = p1+p2;rn p3.getCoef();rn return 0;rnrn[/code]
这个存储过程哪里错了?
[code=SQL]rnCREATE PROCEDURE query_vendition_via_month_sprn @vtimernASrn SELECT SUM(Vprice*Vcount) '销售总额',rn SUM(Vcount) '销售总量'rn FROM Vendition WHERE Vtime = @vtime + '%'rnGOrn[/code]rn消息 156,级别 15,状态 1,过程 query_vendition_via_month_sp,第 4 行rn关键字 'SELECT' 附近有语法错误。rn消息 137,级别 15,状态 2,过程 query_vendition_via_month_sp,第 6 行rn必须声明标量变量 "@vtime"。
这个链表哪里错了
//一个数据为0,1,2,3,4……的链表rn#includernusing namespace std;rnclass listrnrnpublic:rn int data;rn list* n; //指向下一个节点rn list* f; //指向上一个节点rn;rnlist* link(list* head) //制作链表函数(返回链表第一个节点的地址)rnrn head = new list;rn head->data = 0;rn head->f = NULL;rn list* needle = head;rn for(int i=0;in = NULL;rn needle->n = temp;rn temp->f = needle;rn needle = needle->n;rn needle->data = needle->f->data+1;//下一个节点的数据为上一个加1rn rn return head;rnrnvoid show(list* head) rnrn list* temp = head;rn while(temp != NULL)rn rn coutn;rn rnrnint main()rnrn list* head1 = link(head1);rn show(head1);rn system("pause");rn return 0;rn[code=c][/code]
这个哪里错了?
test.jsprnrnrnrnrn rntestrnrnrnrn rn夺rnrnrnrnrnrntest1.jsprnrnrnrn rntest1rnrnrnrnrnrnrnrnrn在jbuilder里面显示是:before:'ÎÒ°®Äã'after:'�Ұ���rn在ie显示是:before:'我爱ä½?rnafter:'我爱�? rnrn该怎么解决<em>这个</em>乱码问题?
请问如下代码哪里错了?谢谢!
问题是图片没有显示出来?rnrnhtml=' 市局动态 更多>> ';rnhtml+=' ';rnhtml+=' ◎ 市局深入“双联”单位扶贫助学(9-1) 59 ';rnhtml+='◎ 市知名商标企业座谈会隆重召开[图](8-29) 82 ';rnhtml+='◎ 省局局长来考察调研[图](8-28) 272 ';rnhtml+='◎ 、公安协同打击传销,捣毁窝点(8-26) 90 ';rnhtml+='◎ 在全市知名商标企业座谈会上的讲话(8-25) 86 ';rnhtml+='◎ 全市系统老干工作座谈会在市局举行[图](8-15) 183 ';rnhtml+='◎ 全市流通领域食品安全监管与经营者自律座谈[图](8-6) 106 ';rnhtml+='◎ 全市系统严格执法行政执法工作纪律暨法[图](7-28) 303 ';rnhtml+='◎ 市打击传销工作简报3(7-24) 44 ';rnhtml+='◎ 传销窝点捣毁记[图](7-18) 188 ';rnhtml+=' ';rndocument.write(html);
请问这代码哪里错了,急,谢谢
#include rn#define N 5rnint findmaxscore(int score[N])rnrn int i,max;rn max=score[0];rn for (i=0;i
新手求教!这个代码哪里错了呢?
class Person rn private int age;rn private String name;rn public void setName(String name)this.name=name;rn public void setAge(int age) this.age=age;rn public String getName() return name;rn public int getAge() return age;rn public String getInfo() rn return "Name:" + name + "\n" + "age: " + age;rn rnrnrnclass Student extends Person rn private String school;rn public String getSchool() return school;rn public void setSchool(String school) rn this.school = school;rn rn public String getInfo() rn return "Name" + getName() + "\nage" + getAge()+ "\nschool: " + school;rn rnrnrnpublic class TestOverWrite rn public static void main(String[] args) rn Student student = new Student();rn Person person = new Person();rn person.setName("张三");rn person.setAge("100");rn student.setName("小明");rn student.setAge("213");rn student.School("实小");rn System.out.println(person.getInfo);rn System.out.println(student.getInfo);rn rnrnrn编译之后显示:rnrnTestOverWrite.<em>java</em>:29: 无法将 Person 中的 setAge(int) 应用于 (<em>java</em>.lang.String)rn person.setAge("100");rn ^rnTestOverWrite.<em>java</em>:31: 无法将 Person 中的 setAge(int) 应用于 (<em>java</em>.lang.String)rn student.setAge("213");rn ^rnTestOverWrite.<em>java</em>:32: 找不到符号rn符号: 方法 School(<em>java</em>.lang.String)rn位置: 类 Studentrn student.School("实小");rn ^rnTestOverWrite.<em>java</em>:33: 找不到符号rn符号: 变量 getInforn位置: 类 Personrn System.out.println(person.getInfo);rn ^rnTestOverWrite.<em>java</em>:34: 找不到符号rn符号: 变量 getInforn位置: 类 Studentrn System.out.println(student.getInfo);
请问这小段的代码哪里错了谢谢!!
我把原来sql数据库的<em>代码</em>修改为access数据库使用,可是提示rnSystem.Data.OleDb.OleDbException: FROM 子句语法错误。rn请教<em>哪里</em><em>错了</em>?<em>谢谢</em>~~~   < min表是存在的.>rnrnrnrn rnrnrn Repeater.aspxrnrn rnrnrnrn rn rn rnrnrnrnrnrnrn
请问如下代码哪里错了谢谢
rn 学习类rn (共1条) rn rn rn rn ▲ 余世维讲座之一(3-16) 9 rn rn rn
这个代码哪里错了,求救!
<em>这个</em><em>代码</em><em>哪里</em>出<em>错了</em>,求救!rn[code=html]rnrnrn rn JS插入节点相关练习rn rnrnrnrn rnrn rn rn Blackrn Redrn Bluern Greenrn Purplern Yellowrn rnrnrn[/code]
求看看这个代码哪里错了
![图片说明](https://img-ask.csdn.net/upload/201503/11/1426086725_109536.jpg)n![图片说明](https://img-ask.csdn.net/upload/201503/11/1426086743_150760.jpg)
这个图片预览代码哪里错了啊啊啊
[code=HTML]rnrnrnrn rnrn rnrn rnrnrnrn rn rn rn rn rn rn rn rn rn rn rn rn rn rnrnrnrn[/code]rnrn第一次写jquery。。不知道<em>哪里</em>错
这个代码哪里错了?请你来找错
#include rn#include rn#include rnint main()rnrn int n,i,j;scanf("%d",&n);rn char a[n+1][80],b[n+1][80],t[80];rn int len[n+1],sum[n+1];rn memset(sum,0,sizeof(sum));rn for(i=1;isum[j+1])rn strcpy(t,b[j]);strcpy(b[j],b[j+1]);strcpy(b[j+1],t);rn for(i=1;i);rn return 0;rn
抢分了——这个代码哪里错了
INSERT INTO 制造订单费用分解rn (订单编号, 工作令号, 承制部门, 材料费, 进项税金, 运费, 调试费, 售后, 吊车费, rn 木模费, 设计费, 培训费, 运保费, 质保金, 包装费, 架杆费, 差旅费, 检验费, 招待费, rn 直采费, 资料费, 租车费, 不可预见费, 通信费, 分监审核日期)rnSELECT 订单编号, 工作令号, 承制部门, 材料费, 进项税金, 运费, 调试费, 售后, 吊车费, rn 木模费, 设计费, 培训费, 运保费, 质保金, 包装费, 架杆费, 差旅费, 检验费, 招待费, rn 直采费, 资料费, 租车费, 不可预见费, 通信费, 批准日期rnFROM 订单审核rnWHERE 订单审核.批准日期 > 分监审核日期 INrn (SELECT MAX(制造订单费用分解.分监审核日期)rn FROM 制造订单费用分解)
新人问题,这个代码哪里错了?
点击按钮把一个文本框的数值,加到有复选框选择的文本框rnfunction jia()rnrn for(var i=1;i;rn
急救,这个判断变量类型的代码哪里错了
我输入5,它居然说有错,我输入字符型数据它却滚屏提示有错,而不返回到cin>>a等待我重新输入。不知道错在<em>哪里</em>rn#include rn#include rnmain()rnrn int a;rn for(;;)rn rn cin>>a;rn if(typeid(a).name()=="int")rn rn cout<<
请问下这个关机代码哪里错了
[code=Java]rnpackage yu.bin;rnrnimport android.app.Activity;rnimport android.content.Intent;rnimport android.net.Uri;rnimport android.os.Bundle;rnimport android.view.View;rnimport android.view.View.OnClickListener;rnimport android.widget.Button;rnrnpublic class poweroff extends Activity rn /** Called when the activity is first created. */rn @Overridern public void onCreate(Bundle savedInstanceState) rn super.onCreate(savedInstanceState);rn setContentView(R.layout.main);rn Button t = (Button) findViewById(R.id.abc);rn t.setOnClickListener(new OnClickListener() rnrn @Overridern public void onClick(View v) rn // TODO Auto-generated method stubrn Intent shutdown = new Intent(Intent.ACTION_SHUTDOWN);rn startActivity(shutdown);rn rn );rn rnrn[/code]rnrn[code=XML]rnrnrn rn rn rn rn rnrn rn rn rn rn rn rn[/code]rn02-29 06:57:01.315: ERROR/AndroidRuntime(459): android.content.ActivityNotFoundException: No Activity found to handle Intent act=android.intent.action.ACTION_SHUTDOWN rn
大家看一下这个代码哪里错了???
ListViewItem listviewitem;rn listviewitem = new ListViewItem("taifengming");rn listviewitem.SubItems.Add("addNorthernlatitude");rn listviewitem.SubItems.Add("addEastlongitude");rn listviewitem.SubItems.Add("addMiddlepar");rn listviewitem.SubItems.Add("addMaxwindspeed");rn listviewitem.SubItems.Add("addMovespeed");rn listviewitem.SubItems.Add("addDirection");rn listviewitem.SubItems.Add("addSeven");rn listviewitem.SubItems.Add("addTen"); rn rn this.f.listView1.Items.Add(listviewitem);rn说明一下:我的<em>代码</em>是写在form2,listview1是在form1,报错是:未将对象引用设置到对象的实例。。。rnrn请问给位<em>这个</em>怎么解决??
请问,这个关于listbox的代码哪里错了
List list_清空 = new List(); //创建一个集合,用来装没有选中的rnforeach (var c in listBox4.Items)rn rn if (c != listBox4.SelectedItem)rn rn list_清空.Add(c); //把没有选定的项,加进集合rn rn rnforeach (var c in list_清空)rn rn listBox4.Items.Remove(c); //执行删除此项 rn rnrn结果我用Ctrl键选定多项,结果怎么最后只留下一项呢,有些选定了的,也删了
大家看看 这个代码 哪里错了
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