Java Web简单例程——MyWebProject

package com.example.z.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.example.z.service.TestService; //@WebServlet("/TestServlet") public class TestServlet extends HttpServlet { private static final long serialVersionUID = 1L; public TestServlet() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 返回字符串 String responseMsg="FAIL"; // 输出流 PrintWriter out = response.getWriter(); // 设置编码形式 request.setCharacterEncoding("utf-8"); // 获取传入数据 String str = request.getParameter("str"); // 访问数据库 int value = TestService.testSelect(str); if(value == 11) { responseMsg = "SUCCESS"; } out.print(responseMsg); } }