calendar.jsp
资源名称:Ajax.rar [点击查看]
上传用户:shjgzm
上传日期:2017-08-31
资源大小:2757k
文件大小:6k
源码类别:
Ajax
开发平台:
Java
- <%@ page contentType="text/plain; charset=UTF-8"%>
- <%@ page language="java"%>
- <%@ page import="java.sql.*,ajax.db.DBUtils,org.json.simple.JSONObject,org.json.simple.JSONArray"%>
- <%!
- //获取目标月份任务信息
- String getTasks(String month) {
- JSONArray array = new JSONArray(); //新建JSON数组对象
- String sql = "select id, task, builddate from schedule where builddate like ? order by id asc"; //定义SQL语句
- Connection conn = null; //声明Connection对象
- PreparedStatement pstmt = null; //声明PreparedStatement对象
- ResultSet rs = null; //声明ResultSet对象
- try {
- conn = DBUtils.getConnection(); //获取数据库连接
- pstmt = conn.prepareStatement(sql); //根据sql创建PreparedStatement
- pstmt.setString(1, month + "-%"); //设置参数
- rs = pstmt.executeQuery();
- while (rs.next()) {
- //使用数据库结果集生成JSON对象,并加入到JSON数组中
- JSONObject obj = new JSONObject();
- obj.put("id", rs.getString(1));
- obj.put("task", rs.getString(2));
- obj.put("builddate", rs.getString(3));
- array.add(obj);
- }
- } catch (SQLException e) {
- System.out.println(e.toString());
- } finally {
- DBUtils.close(rs); //关闭结果集
- DBUtils.close(pstmt); //关闭PreparedStatement
- DBUtils.close(conn); //关闭连接
- }
- return array.toString();
- }
- //添加新任务
- int addTask(String taskInfo, String buildDate) {
- int newId = -1; //用于保存新任务编号
- String sql = "insert into schedule(task, builddate) values(?,?)"; //定义插入数据的SQL语句
- Connection conn = null; //声明Connection对象
- PreparedStatement pstmt = null; //声明PreparedStatement对象
- ResultSet rs = null; //声明ResultSet对象
- try {
- conn = DBUtils.getConnection(); //获取数据库连接
- pstmt = conn.prepareStatement(sql); //根据sql创建PreparedStatement
- pstmt.setString(1, taskInfo); //设置参数
- pstmt.setString(2, buildDate); //设置参数
- pstmt.executeUpdate();
- pstmt.close();
- //获取刚插入数据的新id
- pstmt = conn.prepareStatement("select last_insert_id()");
- rs = pstmt.executeQuery();
- if (rs.next()) {
- newId = rs.getInt(1); //获取新id
- }
- } catch (SQLException e) {
- System.out.println(e.toString());
- } finally {
- DBUtils.close(rs); //关闭结果集
- DBUtils.close(pstmt); //关闭PreparedStatement
- DBUtils.close(conn); //关闭连接
- }
- return newId;
- }
- //删除任务
- void delTask(String taskId) {
- String sql = "delete from schedule where id = ?"; //定义SQL语句
- Connection conn = null; //声明Connection对象
- PreparedStatement pstmt = null; //声明PreparedStatement对象
- try {
- conn = DBUtils.getConnection(); //获取数据库连接
- pstmt = conn.prepareStatement(sql); //根据sql创建PreparedStatement
- pstmt.setString(1, taskId); //设置参数
- pstmt.executeUpdate();
- } catch (SQLException e) {
- System.out.println(e.toString());
- } finally {
- DBUtils.close(pstmt); //关闭PreparedStatement
- DBUtils.close(conn); //关闭连接
- }
- }
- //更新任务
- void updateTask(String taskId, String taskInfo) {
- String sql = "update schedule set task = ? where id = ?"; //定义SQL语句
- Connection conn = null; //声明Connection对象
- PreparedStatement pstmt = null; //声明PreparedStatement对象
- try {
- conn = DBUtils.getConnection(); //获取数据库连接
- pstmt = conn.prepareStatement(sql); //根据sql创建PreparedStatement
- pstmt.setString(1, taskInfo); //设置参数
- pstmt.setString(2, taskId); //设置参数
- pstmt.executeUpdate();
- } catch (SQLException e) {
- System.out.println(e.toString());
- } finally {
- DBUtils.close(pstmt); //关闭PreparedStatement
- DBUtils.close(conn); //关闭连接
- }
- }
- %>
- <%
- out.clear(); //清空当前的输出内容(空格和换行符)
- request.setCharacterEncoding("UTF-8"); //设置请求字符集为UTF-8
- String action = request.getParameter("action"); //获取action信息
- //根据action不同执行不同的操作
- if ("addTask".equals(action)) { //新建任务
- String taskInfo = request.getParameter("taskInfo");
- String buildDate = request.getParameter("buildDate");
- out.print(addTask(taskInfo,buildDate));
- } else if ("getTasks".equals(action)) { //获取整月任务信息
- String month = request.getParameter("month");
- String result = getTasks(month);
- out.println(result);
- } else if ("delTask".equals(action)) { //删除任务
- String taskId = request.getParameter("taskId");
- delTask(taskId);
- } else if ("updateTask".equals(action)) { //更新任务信息
- String taskId = request.getParameter("taskId");
- String taskInfo = request.getParameter("taskInfo");
- updateTask(taskId, taskInfo);
- }
- %>