亲爱的朋友们，求你们了！

2012-07-09 05:08:42 307 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

rechard2013 墨衍会员 · AI 创作全网分发关注 + 加入社区

3D视觉-激光三角测量法的概述和原理激光三角法位移测量的原理是，用一束激光以某一角度聚焦在被测物体表面，然后从另一角度对物体表面上的激光光斑进行成像，物体表面激光照射点的位置高度不同，所接受散射或反射光线的角度也不同，用。激光三角测量法是一种通过图像采集系统采集被测物表面漫反射的激光轮廓，进而基于设备已知的相对位置通过算法处理，获得被测物表面的三维轮廓数据，进而还原目标物体三维空间信息的方法。采用激光三角原理和回波分析原理进行非接触位置、位移测量的精密传感器，广泛应用于位置、位移、厚度、半径、形状、振动、距离等几何量的工业测量。阅读详情

我想用oledb的方法连接access数据库，并对数据库进行绑定到datagridview表中，然后对表进行编辑、修改，设置一保存按钮，点击保存，把更新的数据存到原数据中。求求大家帮帮我吧，这个问题困扰我好几天了，就是更新不了，请大家拉我一把，让我尽快进行下面的工作，小弟在此感激不尽！希望大家把详细代码写出来，我邮箱是2914573152qq.com。希望大家不嫌弃和小弟做个朋友，那是小弟的荣幸！！！本人把所有分全送出去以表诚意！

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手把手教你安装 Vivado2022.2（附安装包） Vivado 2022.2版本与之前的版本相比，具有以下几个显著的优势：电源设计管理器（PDM）：Vivado 2022.2引入了全新的电源设计管理器（PDM），这是一个下一代功耗评估平台，为Versal® 和 Kria™ SOM提供了准确一致的功耗估计能力。PDM是Versal产品家族的首选功耗评估工具，为Versal ACAP硬IP块提供增强向导，简化从XPE向PDM的迁移，帮助用户获得准确的功耗评估。阅读详情

rechard2013

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rechard2013 2012-07-10

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[Quote=引用 11 楼的回复:]
以楼主的敬业精神，你们给他代码，他也看不懂的
[/Quote]
我想说一句：如果给你两个月时间让你这个语言白痴编个软件出来，你会怎么办？？？

bdmh 2012-07-10

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以楼主的敬业精神，你们给他代码，他也看不懂的

rechard2013 2012-07-10

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谢谢各楼主的热心帮助，我把代码贴出来，
OleDbDataAdapter oda;
OleDbConnection olecon;
private void Form1_Load(object sender, EventArgs e)
{
DataRefresh();
}
private Boolean Update()
{
string strold = "select F1 as process," + "F2 as component,F3 as CinMax,F4 as CoutMax,F5 as MasLoad(t/h),F6 as LimitFlowrate(t/h),F7 as LossFlowrate(t/h),F8 as Losscon(ppm)";

DataTable dtUpdate = new DataTable();
oda = new OleDbDataAdapter(strold, olecon);
oda.Fill(dtUpdate);
dtUpdate.Rows.Clear();
DataTable dtShow = new DataTable();
dtShow = (DataTable)dataGridView1.DataSource;
for (int i = 0; i < dtShow.Rows.Count; i++)
{
dtUpdate.ImportRow(dtShow.Rows[i]);
}
try
{
this.olecon.Open();
OleDbCommandBuilder CommandBuilder;
CommandBuilder = new OleDbCommandBuilder(oda);
oda.Update(dtUpdate);
olecon.Close();
}
catch (Exception ex)
{
MessageBox.Show("数据库操作失败：" + ex.Message.ToString(), "提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
dtUpdate.AcceptChanges();
return true;

}
private void button3_Click(object sender, EventArgs e)
{
if (Update())
{
MessageBox.Show("保存数据成功！","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
else
{
DataRefresh();
}

polk6 2012-07-09

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OleDbDataAdapter da2 = null;  //建立个OleDbDataAdapter 

da2 = new OleDbDataAdapter(cmd); //用定义好的cmd来配置OleDbDataAdapter 

DataSet() ds = new DataSet(); //建立个DataSet()

OleDbCommandBuilder cmdb = new OleDbCommandBuilder(da2); //OleDbCommandBuilder 具体的事情，你百度下吧

da2.Fill(ds); //填充DataSet()

da2.Update(ds); //ds的数据更改后，调用OleDbDataAdapter的Update()方法

看的懂吗楼主，之外的你都写好了吧

熙风 2012-07-09

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using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;



namespace EmployeeManage

{

    public partial class EmployeeEdit : Form

    {

        public EmployeeEdit()

        {

            InitializeComponent();

        }

        public EmployeeEdit(bool _isEdit, int _Id,bool isAdmin,bool _isSuper)

        {

            InitializeComponent();

            Id = _Id;

            isEdit = _isEdit;

            if (!_isEdit)

                this.Text = "添加员工信息";

            if (!isAdmin)

                ckbIsMng.Enabled = false;

            if (!_isSuper)

            {

                ckbSuperMng.Visible = false;

            }

            if (_isSuper)

            {

                ckbIsMng.Enabled = true;

            }

        }



        private int Id;



        private bool isEdit;



        public byte[] photo;



      public  EmployeeModel emp = new EmployeeModel();





      private void bindInfo()

      {

          if (isEdit)

          {

              txtWorkNo.ReadOnly = true;

              string sql = "Select * from [Employee] where [Id]=" + Id;

              DataTable dt = DBHelper.GetTable(sql);

              if (dt != null && dt.Rows.Count > 0)

              {

                  txtWorkNo.Text = dt.Rows[0]["WorkNo"].ToString();

                  txtName.Text = dt.Rows[0]["Name"].ToString();

                  txtTelephone.Text = dt.Rows[0]["Telephone"].ToString();

                  txtAddress.Text = dt.Rows[0]["Address"].ToString();

                  txtNowAddress.Text = dt.Rows[0]["NowAddress"].ToString();

                  txtIDNumber.Text = dt.Rows[0]["IDNumber"].ToString();

                  txtLevel.Text = dt.Rows[0]["Level"].ToString();

                  if (dt.Rows[0]["photo"] != null && dt.Rows[0]["photo"].ToString() != "")

                  {

                      pictureBox1.Image = PictureOpreate.ByteArrayToImage((byte[])dt.Rows[0]["photo"], 1);

                  }

                  if (dt.Rows[0]["IsMng"].ToString() == "True")

                      ckbIsMng.Checked = true;

                  else

                      ckbIsMng.Checked = false;

                  if (dt.Rows[0]["IsSuperMng"].ToString() == "True")

                      ckbSuperMng.Checked = true;

                  else

                      ckbSuperMng.Checked = false;

                  txtDepart.Text = dt.Rows[0]["DepartmentName"].ToString();

                  rtbDemo.Text = dt.Rows[0]["Demo"].ToString();

                  if (dt.Rows[0]["Sex"].ToString() == "True")

                      rbtMan.Checked = true;

                  else

                      rbtWoman.Checked = true;

              }

          }

      }



        private void EmployeeEdit_Load(object sender, EventArgs e)

        {

            this.Icon = new System.Drawing.Icon(AppDomain.CurrentDomain.BaseDirectory + @"Logo/Logo.ico");

            bindInfo();

        }



        private void BtnUpdate_Click(object sender, EventArgs e)

        {

            if (txtWorkNo.Text.Trim() == "")

            {

                FormMessageBox.Show(LoadMode.Prompt,"员工工号不能为空！");

                txtWorkNo.Focus();

                return;

            }

            if (txtName.Text.Trim() == "")

            {

                FormMessageBox.Show(LoadMode.Prompt, "员工姓名不能为空！");

                txtName.Focus();

                return;

            }



            emp.WorkNo = txtWorkNo.Text;

            emp.Name = txtName.Text.Trim();

            emp.Age = 0;

            emp.Telephone = txtTelephone.Text.Trim();

            emp.Address = txtNowAddress.Text.Trim();

            emp.NowAddress = txtNowAddress.Text.Trim();

            emp.IDNumber = txtIDNumber.Text.Trim();

            emp.Level = txtLevel.Text.Trim();

            emp.IsMng = ckbIsMng.Checked;

            emp.IsSuperMng = ckbSuperMng.Checked;

            emp.Photo = PictureOpreate.ImageToBytes(pictureBox1.Image);

            emp.Demo = rtbDemo.Text.Trim();

            emp.DepartmentName = txtDepart.Text.Trim();

            if (rbtMan.Checked)

                emp.Sex = true;

            else

                emp.Sex = false;

           

            if (isEdit)

            {

                emp.Id = Id;

            }

            else

            {

                string sql = "Select WorkNo from [Employee] where [WorkNo]='" + txtWorkNo.Text.Trim() + "'";

                object exit = DBHelper.GetScalar(sql);

                if (exit != null)

                {

                   FormMessageBox.Show(LoadMode.Warning, "该员工工号已存在！");

                   //  MessageBox.Show("该员工工号已存在");

                    return;

                }

                emp.Passwrod = DESEncryption.DesEncrypt("123456");

            }

            this.DialogResult =DialogResult.OK;

        }



        private void BtnColse_Click(object sender, EventArgs e)

        {

            this.Close();

        }



        private void btnChoose_Click(object sender, EventArgs e)

        {

            OpenFileDialog open = new OpenFileDialog();

            if (open.ShowDialog() == DialogResult.OK)

            {

                photo = PictureOpreate.ReadPictureBytes(open.FileName);

                pictureBox1.Image = PictureOpreate.GetPicBySize(PictureOpreate.ReadPicture(open.FileName), 114, 156);

                

            }

        }





        /// <summary>

        /// 限制输入数字以外的字符

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void textbox_KeyPress(object sender, KeyPressEventArgs e)

        {

            if (((int)e.KeyChar < 48 || (int)e.KeyChar > 57) && e.KeyChar != 8)

            {

                e.Handled = true;

            }

        }



        private void ckbSuperMng_CheckedChanged(object sender, EventArgs e)

        {

            if (ckbSuperMng.Checked)

            {

                ckbIsMng.Checked = true;

                ckbIsMng.Enabled = false;

            }

            else

            {

                ckbIsMng.Enabled = true;

            }

        }





    }

}

熙风 2012-07-09

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using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;



namespace EmployeeManage

{

    public partial class EmployeeList : Form

    {

        public EmployeeList()

        {

            InitializeComponent();

        }



        public static EmployeeList form = null;



        public static EmployeeList GetInstance()

        {

            if (form == null || form.IsDisposed)

                form = new EmployeeList();

            return form;

        }

        public EmployeeList(bool isMng, string _workNo, bool _isSuperMng)

        {

            InitializeComponent();

        }





        private bool isMng;



        public bool IsMng

        {

            get { return isMng; }

            set { isMng = value; }

        }



        private string workNo;



        public string WorkNo1

        {

            get { return workNo; }

            set { workNo = value; }

        }

        private bool isSuperMng;



        public bool IsSuperMng

        {

            get { return isSuperMng; }

            set { isSuperMng = value; }

        }



        private void EmployeeList_Load(object sender, EventArgs e)

        {

            this.Icon = new System.Drawing.Icon(AppDomain.CurrentDomain.BaseDirectory + @"Logo/Logo.ico");

            if (!IsMng)

            {

                txtWorkNo.Text = WorkNo1;

                tsmEdit.Visible = false;

                btnAdd.Visible = false;

                tsmDelete.Visible = false;

                //tsmMission.Visible = false;

               tsmAttend.Visible = false;

            }

            bindDgv();

        }





        private void btnSearch_Click(object sender, EventArgs e)

        {

            bindDgv();

        }





        private void bindDgv()

        {

            string sql = "SELECT b.Name, b.WorkNo, b.Age, b.Sex, b.Telephone, b.DepartmentId, b.[Level],  b.IDNumber, b.ID,b.DepartmentName FROM [Employee] b  where (1=1) ";

            if (txtName.Text.Trim() != "")

            {

                sql += " and ( [Name] like '%" + txtName.Text.Trim() + "%' )";

            }

            if (txtWorkNo.Text.Trim() != "")

            {

                sql += " and ([WorkNo] like '%" + txtWorkNo.Text.Trim() + "%')  ";

            }

            sql += " order by b.[ID] desc";

            DataTable dt = DBHelper.GetTable(sql);

            dgvList.AutoGenerateColumns = false;

            dgvList.DataSource = dt;

        }



        private void btnAdd_Click(object sender, EventArgs e)

        {

            try

            {

                EmployeeEdit add = new EmployeeEdit(false, 0, groupBox1.Visible, IsSuperMng);

                if (add.ShowDialog() == DialogResult.OK)

                {

                    EmployeeModel emp = add.emp;

                    string sql = string.Format("Insert into [Employee]([WorkNo],[Name],[Age],[Telephone],[Address],[Demo],[Sex],[DepartmentName],[IDNumber],[IsMng],[Level],[NowAddress],[Password],[isSuperMng])values('{0}','{1}',{2},'{3}','{4}','{5}',{6},'{7}','{8}',{9},'{10}','{11}','{12}',{13})", emp.WorkNo, emp.Name, emp.Age, emp.Telephone, emp.Address, emp.Demo, emp.Sex, emp.DepartmentName, emp.IDNumber, emp.IsMng, emp.Level, emp.NowAddress, emp.Passwrod, emp.IsSuperMng);



                    if (DBHelper.Execute(sql))

                    {

                        string sql2 = "Update [Employee] set photo=@photo where workNo='" + emp.WorkNo + "'";

                        DBHelper.Execute(sql2, add.emp.Photo);

                        bindDgv();

                        FormMessageBox.Show(LoadMode.Prompt, "员工添加成功！");

                        this.Focus();

                        //  MessageBox.Show("员工添加成功！");

                    }

                    else

                    {

                        //  MessageBox.Show("员工添加失败！");

                        FormMessageBox.Show(LoadMode.Error, "员工添加失败！");

                        return;

                    }

                }



            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }



        private void tsmEdit_Click(object sender, EventArgs e)

        {

            try

            {

                int index = dgvList.SelectedCells[0].RowIndex;

                int Id = Convert.ToInt32(dgvList.SelectedRows[0].Cells["ID"].Value.ToString());

                EmployeeEdit edit = new EmployeeEdit(true, Id, tsmDelete.Visible, isSuperMng);

                if (edit.ShowDialog() == DialogResult.OK)

                {

                    EmployeeModel emp = edit.emp;

                    string sql = string.Format("Update [Employee] set [WorkNo]='{0}',[Name]='{1}',[Age]={2},[Telephone]='{3}',[Address]='{4}',[Demo]='{5}',[Sex]={6},[DepartmentName]='{8}',[IDNumber]='{9}',[IsMng]={10}, [Level]='{11}',[NowAddress]='{12}',[IsSuperMng]={13} where [ID]={7}", emp.WorkNo, emp.Name, emp.Age, emp.Telephone, emp.Address, emp.Demo, emp.Sex, emp.Id, emp.DepartmentName, emp.IDNumber, emp.IsMng, emp.Level, emp.NowAddress, emp.IsSuperMng);

                    if (DBHelper.Execute(sql))

                    {

                        string sql2 = "Update [Employee] set photo=@photo where workNo='" + emp.WorkNo + "'";

                        DBHelper.Execute(sql2, edit.emp.Photo);

                        bindDgv();

                        if (dgvList.Rows.Count > 0)

                            dgvList.Rows[index].Selected = true;

                        this.Focus();

                     

                        this.Focus();

                        //   MessageBox.Show("员工添加成功！");

                    }

                    else

                    {

                        //   MessageBox.Show("员工添加失败！");



                        return;

                    }

                }



            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }



        private void tsmDelete_Click(object sender, EventArgs e)

        {

            try

            {

                string Id = dgvList.SelectedRows[0].Cells["ID"].Value.ToString();

                string workNo = dgvList.SelectedRows[0].Cells["workNo"].Value.ToString();

                if (workNo == WorkNo1)

                {

                    FormMessageBox.Show(LoadMode.Prompt, "自己无法删除自己！");

                    this.Focus();

                    return;

                }



                if (IsMng)

                {

                    object obj = DBHelper.GetScalar("Select Id from [Employee] where IssuperMng=True and Id=" + Id);

                    if (obj != null)

                    {

                        FormMessageBox.Show(LoadMode.Prompt, "你无权删除该超级管理员！");

                        this.Focus();

                        return;

                    }

                }

                string name = dgvList.SelectedRows[0].Cells["Name"].Value.ToString();           

                if (MessageBox.Show("确定删除员工[" + name + "]、工号[" + workNo + "]?", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Information) == DialogResult.OK)

                {



                    string sql = "Delete from  [Employee]  Where [ID]=" + Id;

                    if (DBHelper.Execute(sql))

                    {



                        bindDgv();



                        FormMessageBox.Show(LoadMode.Prompt, "员工删除成功！");

                        this.Focus();

                    }

                    else

                    {

                        FormMessageBox.Show(LoadMode.Error, "员工删除失败！");

                        return;

                    }

                }



            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message);

            }

        }



        private void dgvList_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)

        {

            if (e.ColumnIndex == 2)

            {

                DataGridViewRow row = this.dgvList.Rows[e.RowIndex];

                if (row != null)

                {

                    if (row.Cells["Sex"].Value != null && row.Cells["Sex"].Value.ToString() != "")

                    {

                        if (row.Cells["Sex"].Value.ToString() == "True")

                            e.Value = "男";

                        else

                            e.Value = "女";

                    }

                }

            }

        }



        private void dgvList_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e)

        {

            if (e.Button == MouseButtons.Right)

            {

                if (e.RowIndex >= 0)

                {



                    if (dgvList.Rows[e.RowIndex].Selected == false)

                    {

                        dgvList.ClearSelection();

                        dgvList.Rows[e.RowIndex].Selected = true;

                    }

                    if (dgvList.SelectedRows.Count == 1 && e.ColumnIndex != -1)

                    {

                        dgvList.CurrentCell = dgvList.Rows[e.RowIndex].Cells[e.ColumnIndex];

                    }

                    dgvList.ContextMenuStrip = contextMenuStrip1;

                }



                else

                {

                    dgvList.ContextMenuStrip = null;

                    return;

                }

            }

        }



        private void dgvList_DoubleClick(object sender, EventArgs e)

        {

              tsmEdit_Click(null, null);

        }





  



    }

}

熙风 2012-07-09

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Data;

using System.Data.SqlClient;

using System.Data.OleDb;

using System.Windows.Forms;

using System.Configuration;





namespace EmployeeManage

{

    public class DBHelper

    {

        //属性:数据库链接对象

        private static OleDbConnection conn;

        public static OleDbConnection Conn

        {



            get

            {

                try

                {



                    string connstr = "Provider = Microsoft.Jet.OLEDB.4.0;Data Source=" + "" + Application.StartupPath + @"\Database.mdb;Jet OLEDB:Database Password=qaz123plm";

                  //  string connstr = ConfigurationManager.ConnectionStrings["DatabaseConnStr"].ConnectionString.ToString();



                    if (conn == null)

                        conn = new OleDbConnection(connstr);

                    if (conn.State == ConnectionState.Closed)

                        conn.Open();

                    if (conn.State == ConnectionState.Broken)

                    {

                        conn.Close();

                        conn.Open();

                    }

                    return conn;



                }

                catch (Exception ex)

                {



                    throw;

                }

            }

        }





        //方法:查询,DataReader

        public static OleDbDataReader GetReader(string SqlStr)

        {

            OleDbCommand cmd = new OleDbCommand(SqlStr, Conn);

            return cmd.ExecuteReader();

        }



        public static OleDbDataReader GetReader(string SqlStr, OleDbParameter[] paras)

        {

            OleDbCommand cmd = new OleDbCommand(SqlStr, Conn);

            cmd.Parameters.AddRange(paras);

            return cmd.ExecuteReader();

        }





        //查询:DataTable

        public static DataTable GetTable(string SqlStr)

        {

            try

            {





                OleDbDataAdapter dap = new OleDbDataAdapter(SqlStr, Conn);

                DataSet ds = new DataSet();

                dap.Fill(ds);

                conn.Close();

                return ds.Tables[0];

            }

            catch (Exception ex)

            {



                throw;

            }

        }



        //增删改

        public static bool Execute(string SqlStr)

        {

            OleDbCommand cmd = new OleDbCommand(SqlStr, Conn);

            int result = cmd.ExecuteNonQuery();

            conn.Close();

            return result > 0;

        }



        /// <summary>    

        /// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)    

        /// </summary>    

        /// <param name="strSQL">SQL语句</param>    

        /// <param name="fs">图像字节,数据库的字段类型为image的情况</param>    

        /// <returns>影响的记录数</returns>    

        public static int Execute(string SqlStr, byte[] photo)

        {

            OleDbCommand cmd = new OleDbCommand(SqlStr, Conn);

            OleDbParameter myParameter = new OleDbParameter("@photo", SqlDbType.Image);

            myParameter.Value = photo;

            cmd.Parameters.Add(myParameter);

            int result = cmd.ExecuteNonQuery();

            return result;

        }

 

        /// </summary>    

        /// <param name="strSQL">SQL语句</param>     

        /// <returns>影响的记录数</returns>    

        public static bool Execute(string SqlStr, string pwd)

        {

            OleDbCommand cmd = new OleDbCommand(SqlStr, Conn);

            OleDbParameter myParameter = new OleDbParameter("@password", SqlDbType.NChar);

            myParameter.Value = pwd;

            cmd.Parameters.Add(myParameter);

            int result = cmd.ExecuteNonQuery();

            return result>0;

        }



        //返回首行首列

        public static object GetScalar(string SqlStr)

        {

            OleDbCommand cmd = new OleDbCommand(SqlStr, Conn);

            object obj = cmd.ExecuteScalar();

            conn.Close();

            return obj;

        }





        /// <summary>    

        /// 执行多条SQL语句，实现数据库事务。    

        /// </summary>    

        /// <param name="SQLStringList">多条SQL语句</param>         

        public static void ExecuteSqlTran(List<string> SQLStringList)

        {

            OleDbCommand cmd = new OleDbCommand();

            cmd.Connection = Conn;

            OleDbTransaction tx = Conn.BeginTransaction();

            cmd.Transaction = tx;

            try

            {

                for (int n = 0; n < SQLStringList.Count; n++)

                {

                    string strsql = SQLStringList[n].ToString();

                    if (strsql.Trim().Length > 1)

                    {

                        cmd.CommandText = strsql;

                        cmd.ExecuteNonQuery();

                    }

                }

                tx.Commit();

            }

            catch (System.Data.OleDb.OleDbException E)

            {

                tx.Rollback();

                throw new Exception(E.Message);

            }

        }    

    }

}

智者知已应修善业 2012-07-09

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工具箱〉数据〉最后4个控件都拉出来〉每个进行编辑和配置，只不过是勾勾点点的事情。没必要写详细的给你，也写不了给你。

EnForGrass 2012-07-09

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[Quote=引用 2 楼的回复:]

引用 1 楼的回复:
http://blog.csdn.net/shixiong1314/article/details/6552242
自己google吧

好吧，还是很感谢您，虽然我已经谷歌好久都没解决问题。。。
[/Quote]
代码网上很多，http://hi.baidu.com/ruheshi/blog/item/7da4b2cb78d3f2f452664feb.html

doubleu2005 2012-07-09

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贴出代码看看怎么不能更新啊

rechard2013 2012-07-09

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[Quote=引用 1 楼的回复:]
http://blog.csdn.net/shixiong1314/article/details/6552242
自己google吧
[/Quote]
好吧，还是很感谢您，虽然我已经谷歌好久都没解决问题。。。

bdmh 2012-07-09

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http://blog.csdn.net/shixiong1314/article/details/6552242
自己google吧

亲爱的朋友们，求你们了！

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