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84 lines
2.2 KiB
84 lines
2.2 KiB
package servlet.manager;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javabean.Base;
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import javabean.Util;
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import net.sf.json.JSONArray;
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import net.sf.json.JSONObject;
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/**
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* Servlet implementation class AnnouncementEdit
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*/
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@WebServlet("/manager/announcementEdit")
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public class AnnouncementEdit extends HttpServlet {
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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resp.setContentType("application/json; charset=utf8");
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// 接收参数
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String id = req.getParameter("id");
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String tit = req.getParameter("title");
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String det = req.getParameter("detail");
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// 准备参数
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String sql = "";
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Connection connection = null;
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PreparedStatement pstmt = null;
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ResultSet resultSet = null;
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int result = 0;
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// 返回参数
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int code = 1;
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String msg = "";
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PrintWriter out = resp.getWriter();
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JSONArray jsonArray = new JSONArray();
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JSONObject jsonObject = new JSONObject();
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// 进行查询
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if (tit == null || tit.equals("") || det == null || det.equals("")) {
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msg = "参数不能为空";
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out.print(Util.jsonResponse(code, msg, null));
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} else {
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try {
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connection = (Connection) Base.getConnection();
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// 更新公告
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sql = "update announcement set title=?, detail=? where id=?";
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pstmt = connection.prepareStatement(sql);
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pstmt.setString(1, tit);
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pstmt.setString(2, det);
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pstmt.setString(3, id);
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result = pstmt.executeUpdate();
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// 返回数据
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if (result == 1) {
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code = 0;
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msg = "修改成功";
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} else {
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msg = "修改失败";
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}
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} catch (ClassNotFoundException e) {
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msg = "class not found";
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} catch (SQLException e) {
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msg = "sql错误";
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} finally {
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try {
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Base.closeResource(connection, pstmt, resultSet);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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}
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out.print(Util.jsonResponse(code, msg, null));
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}
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}
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}
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