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public static String sendPost(String url, String params)
{
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try
{
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(params); //②
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送POST请求出现异常!" + e);
e.printStackTrace();
}
[quote=引用 23 楼 u012861744 的回复:]
[quote=引用 22 楼 dugaige1989 的回复:]
[quote=引用 19 楼 u012861744 的回复:]
[quote=引用 17 楼 dugaige1989 的回复:]
[quote=引用 13 楼 u012861744 的回复:]
[quote=引用 12 楼 dugaige1989 的回复:]
[quote=引用 11 楼 u012861744 的回复:]
[quote=引用 9 楼 dugaige1989 的回复:]
new Thread(new Runable() {
@Override
public void run() {
//这里面发送代码
}
}).start();
new Thread(new Runnable() {
public void run() {
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
}).start();
[/quote]public String finish="";
public String responseResult(String url,String params) {
GetPostUtil test = new GetPostUtil();
finish=test.sendPost(url, params);
System.out.println("finish="+finish);//这里的finish有从服务器得到的字符串值,但是后面的输出,finish就是空的了。。。
return finish;
}
public List<FilesEntity> jsonType(String type){
List<FilesEntity> filesEntities = new ArrayList<FilesEntity>();
final String params = "type=\""+type+"\"";
final String url = "http://223.4.209.189:7778/androidServlet/servlet/TypeServlet";
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
responseResult(url, params);
}
}).start();
System.out.println("finish="+finish);//这里就是空的了。。。
[/quote]定义一个内部线程内操作吧![quote=引用 22 楼 dugaige1989 的回复:]
[quote=引用 19 楼 u012861744 的回复:]
[quote=引用 17 楼 dugaige1989 的回复:]
[quote=引用 13 楼 u012861744 的回复:]
[quote=引用 12 楼 dugaige1989 的回复:]
[quote=引用 11 楼 u012861744 的回复:]
[quote=引用 9 楼 dugaige1989 的回复:]
new Thread(new Runable() {
@Override
public void run() {
//这里面发送代码
}
}).start();
new Thread(new Runnable() {
public void run() {
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
}).start();
[/quote]public String finish="";
public String responseResult(String url,String params) {
GetPostUtil test = new GetPostUtil();
finish=test.sendPost(url, params);
System.out.println("finish="+finish);//这里的finish有从服务器得到的字符串值,但是后面的输出,finish就是空的了。。。
return finish;
}
public List<FilesEntity> jsonType(String type){
List<FilesEntity> filesEntities = new ArrayList<FilesEntity>();
final String params = "type=\""+type+"\"";
final String url = "http://223.4.209.189:7778/androidServlet/servlet/TypeServlet";
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
responseResult(url, params);
}
}).start();
System.out.println("finish="+finish);//这里就是空的了。。。
[/quote]定义一个内部线程内操作吧![quote=引用 27 楼 dugaige1989 的回复:] [quote=引用 23 楼 u012861744 的回复:] [quote=引用 22 楼 dugaige1989 的回复:] [quote=引用 19 楼 u012861744 的回复:] [quote=引用 17 楼 dugaige1989 的回复:] [quote=引用 13 楼 u012861744 的回复:] [quote=引用 12 楼 dugaige1989 的回复:] [quote=引用 11 楼 u012861744 的回复:] [quote=引用 9 楼 dugaige1989 的回复:] new Thread(new Runable() { @Override public void run() { //这里面发送代码 } }).start();
new Thread(new Runnable() {
public void run() {
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
}).start();
[/quote]public String finish="";
public String responseResult(String url,String params) {
GetPostUtil test = new GetPostUtil();
finish=test.sendPost(url, params);
System.out.println("finish="+finish);//这里的finish有从服务器得到的字符串值,但是后面的输出,finish就是空的了。。。
return finish;
}
public List<FilesEntity> jsonType(String type){
List<FilesEntity> filesEntities = new ArrayList<FilesEntity>();
final String params = "type=\""+type+"\"";
final String url = "http://223.4.209.189:7778/androidServlet/servlet/TypeServlet";
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
responseResult(url, params);
}
}).start();
System.out.println("finish="+finish);//这里就是空的了。。。
[/quote]定义一个内部线程内操作吧!/**
* 根据url获得页面源码
* @param url 访问地址, 必备参数
* @param method 请求方式post还是get, 默认get
* @param params 参数列表 post必备, 比如:"name=张三&age=18"
* @param sessionInfo 可以保持session, 默认不保持
* @param encoding 编码格式, 默认UTF_8
* @param isLine 得到的源码是否换行, 默认false
* @return
*/
public String sound(String url, String method, String params, String sessionInfo, String encoding, boolean isLine) throws Exception {
Log.e("AbstractActivity", "调用web接口:" + url);
encoding = (isBlank(encoding) ? HTTP.UTF_8 : encoding);
method = (isBlank(method) ? Domain.REQUEST_GET : method.toUpperCase());
String mathStr = "mathRandom=" + Math.random();
if (method.equals(Domain.REQUEST_GET)) {url += (url.indexOf("?") != -1 ? "&" : "?") + mathStr;}
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
if (!isBlank(sessionInfo)) {conn.setRequestProperty("Cookie", sessionInfo);}
conn.setRequestMethod(method);
if (requestTime > 0) {
conn.setConnectTimeout(requestTime);
conn.setReadTimeout(requestTime);
}
if (method.equals(Domain.REQUEST_POST)) {
conn.setDoOutput(true);
OutputStream output = conn.getOutputStream();
output.write((isBlank(params) ? mathStr : params + "&" + mathStr).getBytes(encoding));
output.flush();output.close();
}
String response = FileUtil.get().readFile(conn.getInputStream(), encoding, 1, isLine);
conn.disconnect();
requestTime = Domain.LONG_REQUEST_TIME;
return response;
}
异常是什么类型的,具体一点
package com.entity;
import java.io.*;
import java.net.*;
import java.util.*;
/**
* Description:
* <br/>site: <a href="http://www.crazyit.org">crazyit.org</a>
* <br/>Copyright (C), 2001-2014, Yeeku.H.Lee
* <br/>This program is protected by copyright laws.
* <br/>Program Name:
* <br/>Date:
* @author Yeeku.H.Lee kongyeeku@163.com
* @version 1.0
*/
public class GetPostUtil
{
/**
* 向指定URL发送GET方法的请求
* @param url 发送请求的URL
* @param params 请求参数,请求参数应该是name1=value1&name2=value2的形式。
* @return URL所代表远程资源的响应
*/
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
/**
* 向指定URL发送POST方法的请求
* @param url 发送请求的URL
* @param params 请求参数,请求参数应该是name1=value1&name2=value2的形式。
* @return URL所代表远程资源的响应
*/
public static String sendPost(String url, String params)
{
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try
{
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(params); //②
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送POST请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输出流、输入流
finally
{
try
{
if (out != null)
{
out.close();
}
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
异常是什么类型的,具体一点
[quote=引用 19 楼 u012861744 的回复:] [quote=引用 17 楼 dugaige1989 的回复:] [quote=引用 13 楼 u012861744 的回复:] [quote=引用 12 楼 dugaige1989 的回复:] [quote=引用 11 楼 u012861744 的回复:] [quote=引用 9 楼 dugaige1989 的回复:] new Thread(new Runable() { @Override public void run() { //这里面发送代码 } }).start();
new Thread(new Runnable() {
public void run() {
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
}).start();
[/quote]public String finish="";
public String responseResult(String url,String params) {
GetPostUtil test = new GetPostUtil();
finish=test.sendPost(url, params);
System.out.println("finish="+finish);//这里的finish有从服务器得到的字符串值,但是后面的输出,finish就是空的了。。。
return finish;
}
public List<FilesEntity> jsonType(String type){
List<FilesEntity> filesEntities = new ArrayList<FilesEntity>();
final String params = "type=\""+type+"\"";
final String url = "http://223.4.209.189:7778/androidServlet/servlet/TypeServlet";
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
responseResult(url, params);
}
}).start();
System.out.println("finish="+finish);//这里就是空的了。。。
[quote=引用 17 楼 dugaige1989 的回复:]
[quote=引用 13 楼 u012861744 的回复:]
[quote=引用 12 楼 dugaige1989 的回复:]
[quote=引用 11 楼 u012861744 的回复:]
[quote=引用 9 楼 dugaige1989 的回复:]
new Thread(new Runable() {
@Override
public void run() {
//这里面发送代码
}
}).start();
new Thread(new Runnable() {
public void run() {
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
}).start();
[/quote][quote=引用 15 楼 u012861744 的回复:] [quote=引用 12 楼 dugaige1989 的回复:] [quote=引用 11 楼 u012861744 的回复:] [quote=引用 9 楼 dugaige1989 的回复:] new Thread(new Runable() { @Override public void run() { //这里面发送代码 } }).start();
public List<FilesEntity> jsonType(String type){
List<FilesEntity> filesEntities = new ArrayList<FilesEntity>();
String params = "type=\""+type+"\"";
String url = "http://223.4.209.189:7778/androidServlet/servlet/TypeServlet";
new Thread(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
String finish = GetPostUtil.sendPost(url, params);
}
}).start();
JSONArray jsonArray = new JSONArray();
System.out.println(finish);
[quote=引用 17 楼 dugaige1989 的回复:] [quote=引用 13 楼 u012861744 的回复:] [quote=引用 12 楼 dugaige1989 的回复:] [quote=引用 11 楼 u012861744 的回复:] [quote=引用 9 楼 dugaige1989 的回复:] new Thread(new Runable() { @Override public void run() { //这里面发送代码 } }).start();
new Thread(new Runnable() {
public void run() {
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
}).start();
[/quote][quote=引用 13 楼 u012861744 的回复:] [quote=引用 12 楼 dugaige1989 的回复:] [quote=引用 11 楼 u012861744 的回复:] [quote=引用 9 楼 dugaige1989 的回复:] new Thread(new Runable() { @Override public void run() { //这里面发送代码 } }).start();
new Thread(new Runnable() {
public void run() {
public static String sendGet(String url, String params)
{
String result = "";
BufferedReader in = null;
try
{
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept","*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
// 建立实际的连接
conn.connect(); //①
// 获取所有响应头字段
Map<String, List<String>> map = conn.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet())
{
System.out.println(key + "--->" + map.get(key));
}
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null)
{
result += "\n" + line;
}
}
catch (Exception e)
{
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally
{
try
{
if (in != null)
{
in.close();
}
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
return result;
}
}
}).start();
[/quote][quote=引用 12 楼 dugaige1989 的回复:] [quote=引用 11 楼 u012861744 的回复:] [quote=引用 9 楼 dugaige1989 的回复:] new Thread(new Runable() { @Override public void run() { //这里面发送代码 } }).start();