免费Spring+SpringMVC+Mybatis框架整合例子(SSM)支持跨域

package com.demo.controller; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.HashMap; import java.util.Map; import javax.annotation.Resource; import javax.enterprise.inject.New; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sf.json.JSONObject; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import com.demo.services.UserService; @Controller public class UserController { @Resource private UserService userService; //请求示例 后缀名可在web.xml设置 //http://127.0.0.1:8080/SSMDemo/selUser.ssm?name=123&pwd=123 /** * 查询 * @param name * @param pwd * @param response * @param request * @throws IOException */ @RequestMapping(value = "selUser") public void selUser(String name, String pwd, HttpServletResponse response, HttpServletRequest request) throws IOException { JSONObject jo = new JSONObject(); Map map = new HashMap(); map.put("name", name); map.put("pwd", pwd); jo.put("msg", "请求成功"); jo.put("result", userService.selUser(map)); jo.put("error_code", 0); response.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=utf-8"); PrintWriter writer = response.getWriter(); writer.print(jo.toString()); } /** * 添加 * @param name * @param pwd * @param response * @param request * @throws IOException */ @RequestMapping(value = "addUser") public void addUser(String name, String pwd, HttpServletResponse response, HttpServletRequest request) throws IOException { JSONObject jo = new JSONObject(); Map map = new HashMap(); map.put("name", name); map.put("pwd", pwd); jo.put("msg", "请求成功"); jo.put("result", userService.addUser(map)); jo.put("error_code", 0); response.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=utf-8"); PrintWriter writer = response.getWriter(); writer.print(jo.toString()); } /** * 修改 * @param id * @param name * @param pwd * @param response * @param request * @throws IOException */ @RequestMapping(value = "upUser") public void upUser(String id,String name, String pwd, HttpServletResponse response, HttpServletRequest request) throws IOException { JSONObject jo = new JSONObject(); Map map = new HashMap(); map.put("name", name); map.put("pwd", pwd); jo.put("msg", "请求成功"); jo.put("result", userService.upUser(map)); jo.put("error_code", 0); response.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=utf-8"); PrintWriter writer = response.getWriter(); writer.print(jo.toString()); } /** * 删除 * @param id * @param response * @param request * @throws IOException */ @RequestMapping(value = "delUser") public void delUser(String id, HttpServletResponse response, HttpServletRequest request) throws IOException { JSONObject jo = new JSONObject(); jo.put("msg", "请求成功"); jo.put("result", userService.delUser(id)); jo.put("error_code", 0); response.setCharacterEncoding("utf-8"); response.setContentType("text/html;charset=utf-8"); PrintWriter writer = response.getWriter(); writer.print(jo.toString()); } }