一、项目运行

环境配置：

Jdk1.8 + Tomcat8.5 + mysql + Eclispe（IntelliJ IDEA,Eclispe,MyEclispe,Sts都支持）

项目技术：

JSP +Spring + SpringMVC + MyBatis + html+ css + JavaScript + JQuery + Ajax + layui+ maven等等

用户管理控制层：

@Controller
@RequestMapping("/user")
public class UserController {@Autowiredprotected WebResponse webResponse;@Resourceprotected IUserService userService;@Resourceprotected IMyMusicService MyMusicService;@AutowiredUserService userService2;String newName = null;// 登录功能@RequestMapping(value = "/loginPage", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse loginCon(HttpServletRequest request, HttpSession session) {// 取参数的方法，对应登录表单中的用户名name="user_name"String user_name = request.getParameter("user_name");String user_password = request.getParameter("user_password");// 调用mapper层的登录的方法，从数据库中匹配用户名和密码，并放回用户名String tname = userService2.login(user_name, user_password);String user_Id = userService2.getUserById(user_name, user_password);// newUserId = user_Id; //修改密码用的int userId = 0;try {// 判断字符串是否是数字，并且抛出异常// boolean NotisNum// =(user_Id.equals(null)||user_Id.equals("")||user_Id.equals("null"));boolean NotisNum = (user_Id.equals("null"));// System.out.println(NotisNum);if (!NotisNum) {userId = Integer.parseInt(user_Id);}} catch (Exception e) {}
//	   session.setAttribute("tname", tname);session.setAttribute("userId", userId);Object data = null;String statusMsg = "";Integer statusCode = 200;Map<String, String> paramMap = new HashMap<String, String>();paramMap.put("user_name", user_name);paramMap.put("user_password", user_password);data = paramMap;User user = new User();user.setUser_id(userId);System.out.println("登录的id:" + user.getUser_id());System.out.println("登录的用户名:" + session.getAttribute(tname));System.out.println("前端，用户名：" + user_name + " 密码：" + user_password);System.out.println("根据前端在数据库中查找到的用户名：" + tname + " 用户的id:" + userId);// 用户名和密码匹配不成功，则返回的用户名为空if (tname == null) {System.out.println("用户不存在");System.out.println();statusMsg = "用户或密码错误！";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);} else {statusCode = 200;webResponse.setStatusCode(statusCode);System.out.println("状态码：" + webResponse.getStatusCode());System.out.println("登录成功了");System.out.println();return webResponse.getWebResponseUserId(statusCode, statusMsg, data, userId);}}// 更改密码 更改密码 更改密码@RequestMapping(value = "/resetUserPassword", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse resetUserPassword(HttpServletRequest request, HttpSession session) {Object data = null;String statusMsg = "";Integer statusCode = 200;int uId = 0;// 取参数的方法，对应登录表单中的用户名String user_name = request.getParameter("user_name");String newUser_password = request.getParameter("newUser_password");try {uId = (int) this.userService2.resetPassword(user_name, newUser_password);System.out.println("修改密码返回的id:" + uId);} catch (Exception e) {}return webResponse.getWebResponse(statusCode, statusMsg, data);}// 用户注册@RequestMapping(value = "/addOrEditUser", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse addOrEditTest(HttpServletRequest request, HttpServletResponse response, HttpSession session,String user_id, @RequestParam(required = false) String user_name,@RequestParam(required = false) String user_password) {Object data = null;String statusMsg = "用户名已存在，请重新注册！";Integer statusCode = 201;String rearchName = null;try {rearchName = this.userService.rearchUserName(user_name);if (!(rearchName.equals("null"))) {return webResponse.getWebResponse(statusCode, statusMsg, data);}} catch (Exception e) {}System.out.println("判断用户是否重复：" + rearchName);if (user_id == null || user_id.length() == 0) {return this.addUser(request, response, session, user_name, user_password);} else {return this.editUser(request, response, session, user_id, user_name, user_password);}}// 添加用户@RequestMapping(value = "/addUser", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse addUser(HttpServletRequest request, HttpServletResponse response, HttpSession session,String user_name, String user_password) {Object data = null;String statusMsg = "";Integer statusCode = 200;Map<String, String> paramMap = new HashMap<String, String>();paramMap.put("user_name", user_name);paramMap.put("user_password", user_password);data = paramMap;if (user_name == null || "".equals(user_name.trim()) || user_password == null|| "".equals(user_password.trim())) {statusMsg = " 参数为空错误！！！！";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}if (user_name.length() > 255 || user_password.length() > 65535) {statusMsg = " 参数长度过长错误！！！";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}User user = new User();boolean isAdd = true;return this.addOrEditUser(request, response, session, data, user, user_name, user_password, isAdd);}@RequestMapping(value = "/editUser", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse editUser(HttpServletRequest request, HttpServletResponse response, HttpSession session,String user_id, @RequestParam(required = false) String user_name,@RequestParam(required = false) String user_password) {Object data = null;String statusMsg = "";Integer statusCode = 200;Map<String, String> paramMap = new HashMap<String, String>();paramMap.put("user_id", user_id);paramMap.put("user_name", user_name);paramMap.put("user_password", user_password);data = paramMap;if (user_id == null || "".equals(user_id.trim())) {statusMsg = "未获得主键参数错误！！！";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}Integer user_idNumeri = user_id.matches("^[0-9]*$") ? Integer.parseInt(user_id) : 0;if (user_idNumeri == 0) {statusMsg = "主键不为数字错误！！！";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}User userVo = this.userService.getById(user_idNumeri);User user = new User();BeanUtils.copyProperties(userVo, user); // 浅复制，重要boolean isAdd = false;return this.addOrEditUser(request, response, session, data, user, user_name, user_password, isAdd);}/** */private WebResponse addOrEditUser(HttpServletRequest request, HttpServletResponse response, HttpSession session,Object data, User user, String user_name, String user_password, boolean isAdd) {String statusMsg = "";Integer statusCode = 200;if (user_name != null && !("".equals(user_name.trim()))) {if (user_name.length() > 255) {statusMsg = " 参数长度过长错误,testName";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}// 重要，建立数据，以便后期数据库能调用数据user.setUser_name(user_name); // 建立用户名user.setUser_password(user_password); // 建立密码}if (user_password != null && !("".equals(user_password.trim()))) {if (user_password.length() > 65535) {statusMsg = " 参数长度过长错误,info";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}}if (isAdd) {// 插入语句，插入数据库，重要this.userService.insert(user);if (user.getUser_id() > 0) {statusMsg = "成功插入！！！";} else {statusCode = 202;statusMsg = "insert false";}return webResponse.getWebResponse(statusCode, statusMsg, data);}int num = this.userService.update(user);if (num > 0) {statusMsg = "成功修改！！！";} else {statusCode = 202;statusMsg = "update false";}return webResponse.getWebResponse(statusCode, statusMsg, data);}@RequestMapping(value = "/getUserById", produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse getUserById(String user_id) {Object data = user_id;Integer statusCode = 200;String statusMsg = "";if (user_id == null || user_id.length() == 0 || user_id.length() > 11) {statusMsg = "参数为空或参数过长错误！！！";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}Integer user_idNumNumeri = user_id.matches("^[0-9]*$") ? Integer.parseInt(user_id) : 0;if (user_idNumNumeri == 0) {statusMsg = "参数数字型错误！！！";statusCode = 201;return webResponse.getWebResponse(statusCode, statusMsg, data);}User userVo = this.userService.getById(user_idNumNumeri);if (userVo != null && userVo.getUser_id() > 0) {data = userVo;statusMsg = "获取单条数据成功！！！";} else {statusCode = 202;statusMsg = "no record!!!";}return webResponse.getWebResponse(statusCode, statusMsg, data);}@RequestMapping(value = "/getOneUser", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse getOneTest(@RequestParam(defaultValue = "正常", required = false) String tbStatus) {LinkedHashMap<String, String> condition = new LinkedHashMap<String, String>();condition.put("tb_status='" + tbStatus + "'", "");User userVo = this.userService.getOne(condition);Object data = null;String statusMsg = "";if (userVo != null && userVo.getUser_id() > 0) {data = userVo;statusMsg = "根据条件获取单条数据成功！！！";} else {statusMsg = "no record!!!";}return webResponse.getWebResponse(statusMsg, data);}@RequestMapping(value = "/getUserList", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse getTestList(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(defaultValue = "1", required = false) Integer pageNo,@RequestParam(defaultValue = "10", required = false) Integer pageSize,@RequestParam(defaultValue = "正常", required = false) String tbStatus,@RequestParam(required = false) String keyword,@RequestParam(defaultValue = "test_id", required = false) String order,@RequestParam(defaultValue = "desc", required = false) String desc) {Object data = null;String statusMsg = "";int statusCode = 200;LinkedHashMap<String, String> condition = new LinkedHashMap<String, String>();/** if (tbStatus != null && tbStatus.length() > 0) { condition.put("tb_status='"* + tbStatus + "'", "and"); }*/if (keyword != null && keyword.length() > 0) {StringBuffer buf = new StringBuffer();buf.append("(");buf.append("test_name like '%").append(keyword).append("%'");buf.append(" or ");buf.append("info like '%").append(keyword).append("%'");buf.append(" or ");buf.append("other like '%").append(keyword).append("%'");buf.append(")");condition.put(buf.toString(), "and");}String field = null;if (condition.size() > 0) {condition.put(condition.entrySet().iterator().next().getKey(), "");}int count = this.userService.getCount(condition, field);if (order != null && order.length() > 0 & "desc".equals(desc)) {order = order + " desc";}List<User> list = this.userService.getList(condition, pageNo, pageSize, order, field);Map<Object, Object> map = new HashMap<Object, Object>();map.put("total", count);int size = list.size();if (size > 0) {List<User> listFont = new ArrayList<User>();User vo;User voFont = new User();for (int i = 0; i < size; i++) {vo = list.get(i);BeanUtils.copyProperties(vo, voFont);listFont.add(voFont);voFont = new User();}map.put("list", listFont);data = map;statusMsg = "根据条件获取分页数据成功！！！";} else {map.put("list", list);data = map;statusCode = 202;statusMsg = "no record!!!";return webResponse.getWebResponse(statusCode, statusMsg, data);}return webResponse.getWebResponse(statusCode, statusMsg, data);}@RequestMapping(value = "/getAdminUserList", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic String getAdminTestList(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(defaultValue = "1", required = false) Integer pageNo,@RequestParam(defaultValue = "10", required = false) Integer pageSize,@RequestParam(defaultValue = "正常", required = false) String tbStatus,@RequestParam(required = false) String keyword,@RequestParam(defaultValue = "test_id", required = false) String order,@RequestParam(defaultValue = "desc", required = false) String desc) {Object data = null;String statusMsg = "";int statusCode = 200;LinkedHashMap<String, String> condition = new LinkedHashMap<String, String>();if (tbStatus != null && tbStatus.length() > 0) {condition.put("tb_status='" + tbStatus + "'", "and");}if (keyword != null && keyword.length() > 0) {StringBuffer buf = new StringBuffer();buf.append("(");buf.append("test_name like '%").append(keyword).append("%'");buf.append(" or ");buf.append("info like '%").append(keyword).append("%'");buf.append(" or ");buf.append("other like '%").append(keyword).append("%'");buf.append(")");condition.put(buf.toString(), "and");}String field = null;if (condition.size() > 0) {condition.put(condition.entrySet().iterator().next().getKey(), "");}int count = this.userService.getCount(condition, field);if (order != null && order.length() > 0 & "desc".equals(desc)) {order = order + " desc";}List<User> list = this.userService.getList(condition, pageNo, pageSize, order, field);Map<Object, Object> map = new HashMap<Object, Object>();map.put("total", count);int size = list.size();if (size > 0) {map.put("list", list);data = map;statusMsg = "根据条件获取分页数据成功！！！";} else {map.put("list", list);data = map;statusCode = 202;statusMsg = "no record!!!";}return JSON.toJSONString(data);}@RequestMapping(value = "/delUser", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse delTest(int id) {int num = this.userService.delBySign(id);Object data = null;String statusMsg = "";if (num > 0) {statusMsg = "成功删除！！！";} else {statusMsg = "no record!!!";}return webResponse.getWebResponse(statusMsg, data);}}

我的音乐歌单管理：

@Controller
@RequestMapping("/myMusic")
public class MyMusicController {@Autowiredprotected WebResponse webResponse;@Resourceprotected IMyMusicService myMusicService;//	@Autowired
//	MyMusicService myMusicService2;// 歌曲收藏@RequestMapping(value = "/addMusicCollect", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse addMusicCollect(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(required = false) String user_name) {WebResponse webResponse = new WebResponse();MyMusic myMusic = new MyMusic();System.out.println("接收到的用户名:" + user_name);Integer statusCode = 200;// 数据库插入语句，对应xml文件的insertthis.myMusicService.insert(myMusic);webResponse.setStatusCode(statusCode);return webResponse;}// 从数据库中获取歌曲数据，在我的音乐中显示@RequestMapping(value = "/getMyMusicList", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse getMyMusicList(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(defaultValue = "1", required = false) Integer pageNo,@RequestParam(defaultValue = "10", required = false) Integer pageSize,@RequestParam(defaultValue = "正常", required = false) String tbStatus,@RequestParam(required = false) String keyword,@RequestParam(defaultValue = "ml_id", required = false) String order,@RequestParam(defaultValue = "desc", required = false) String desc,@RequestParam(required = false) String user_name, @RequestParam(required = false) String user_password) {//		System.out.println("我的音乐显示列表前收藏的歌曲id:" + song_id);String user_Id = null;try {user_Id = myMusicService.getUserById(user_name, user_password);} catch (Exception e) {}int userId = 0;try {// 判断字符串是否是数字，并且抛出异常boolean NotisNum = (user_Id.equals("null"));// System.out.println(NotisNum);if (!NotisNum) {userId = Integer.parseInt(user_Id);}} catch (Exception e) {}System.out.println("我的音乐显示列表前用户id:" + userId);Object data = null;String statusMsg = "";int statusCode = 200;LinkedHashMap<String, String> condition = new LinkedHashMap<String, String>();/** if (tbStatus != null && tbStatus.length() > 0) { condition.put("tb_status='"* + tbStatus + "'", "and"); }*/if (keyword != null && keyword.length() > 0) {StringBuffer buf = new StringBuffer();buf.append("(");buf.append("test_name like '%").append(keyword).append("%'");buf.append(" or ");buf.append("info like '%").append(keyword).append("%'");buf.append(" or ");buf.append("other like '%").append(keyword).append("%'");buf.append(")");condition.put(buf.toString(), "and");}String field = null;if (condition.size() > 0) {condition.put(condition.entrySet().iterator().next().getKey(), "");}// int count = this.myMusicService.getCount(condition, field);if (order != null && order.length() > 0 & "desc".equals(desc)) {order = order + " desc";}// List<MyMusic> list = this.myMusicService.getList(condition, pageNo, pageSize,// order, field);try {List<MyMusic> list = this.myMusicService.getMyMusicList(userId);Map<Object, Object> map = new HashMap<Object, Object>();// map.put("total", count);int size = list.size();if (size > 0) {List<MyMusic> listFont = new ArrayList<MyMusic>();MyMusic vo;MyMusic voFont = new MyMusic();for (int i = 0; i < size; i++) {vo = list.get(i);// 通过java反射将类中当前属性字段对应的内容复制到另外一个类中BeanUtils.copyProperties(vo, voFont);listFont.add(voFont);voFont = new MyMusic();}map.put("list", listFont);data = map;statusMsg = "根据条件获取分页数据成功！！！";} else {map.put("list", list);data = map;statusCode = 202;statusMsg = "no record!!!";return webResponse.getWebResponse(statusCode, statusMsg, data);}}catch (Exception e){}return webResponse.getWebResponse(statusCode, statusMsg, data);}// 删除音乐@RequestMapping(value = "/deleteMyMusic", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse deleteMyMusic(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(required = false) Integer user_id, @RequestParam(required = false) Integer song_id) {WebResponse webResponse = new WebResponse();MyMusic myMusic = new MyMusic();System.out.println("删除音乐前的用户名id:" + user_id);Object data = null;String statusMsg = "";int statusCode = 201;int del = 0;if (user_id == null){del = this.myMusicService.deleteMyMusic(song_id, 0);}else {del = this.myMusicService.deleteMyMusic(song_id, user_id);}if (del > 0) {statusCode = 200;}return webResponse.getWebResponse(statusCode, statusMsg, data);}}

音乐链接管理：

@Controller 
@RequestMapping("/musicLink")
public class MusicLinkController {@Autowiredprotected WebResponse webResponse;@Resourceprotected IMusicLinkService musicLinkService;@Resourceprotected MusicLinkService musicLinkService2;/***  //常用注解快速解释：*  @Controller ：用于标记在一个类上，使用它标记的类就是一个SpringMVC Controller 对象。*  分发处理器将会扫描使用了该注解的类的方法，并检测该方法是否使用了@RequestMapping 注解。@Controller *  只是定义了一个控制器类，而使用@RequestMapping 注解的方法才是真正处理请求的处理器。*  *  @RequestMapping ：是一个用来处理请求地址映射的注解，可用于类或方法上。*  用于类上，表示类中的所有响应请求的方法都是以该地址作为父路径；*  用于方法上，表示在类的父路径下追加方法上注解中的地址将会访问到该方法*  *  @Autowired：@Autowired 注释，它可以对类成员变量、方法及构造函数进行标注，完成自动装配的工作。 通过 @Autowired的使用来消除 set ，get方法。*  * *  @Resource：@Autowired与@Resource都可以用来装配bean. 都可以写在字段上,或写在setter方法上。*  *  *  @Responsebody 注解表示该方法的返回的结果直接写入 HTTP 响应正文（ResponseBody）中，*  一般在异步获取数据时使用，通常是在使用 @RequestMapping 后，返回值通常解析为跳转路径，*  加上 @Responsebody 后返回结果不会被解析为跳转路径，而是直接写入HTTP 响应正文中。 *  作用： 该注解用于将Controller的方法返回的对象，通过适当的HttpMessageConverter转换为指定格式后，写入到Response对象的body数据区。*   *** *  @RequestParam（value="aa" required=false）*   1.可以对传入参数指定参数名*   *   // 下面的对传入参数指定为aa，如果前端不传aa参数名，会报错  *   @RequestParam(value="aa") String inputStr *    *   2、可以通过required=false或者true来要求@RequestParam配置的前端参数是否一定要传 *  *   3、如果@requestParam注解的参数是int类型，并且required=false，此时如果不传参数的话，会报错。原因是，required=false时，不传参数的话，*   会给参数赋值null，这样就会把null赋值给了int，因此会报错。*      ** */ // 从数据库中获取歌曲数据，在榜单中显示@RequestMapping(value = "/getMusicLinkList", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse getMusicLinkList(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(defaultValue = "1", required = false) Integer pageNo,@RequestParam(defaultValue = "30", required = false) Integer pageSize,@RequestParam(defaultValue = "正常", required = false) String tbStatus,@RequestParam(required = false) String keyword,@RequestParam(defaultValue = "ml_id", required = false) String order,@RequestParam(defaultValue = "desc", required = false) String desc) {Object data = null;String statusMsg = "";int statusCode = 200;LinkedHashMap<String, String> condition = new LinkedHashMap<String, String>();/** if (tbStatus != null && tbStatus.length() > 0) { condition.put("tb_status='"* + tbStatus + "'", "and"); }*/if (keyword != null && keyword.length() > 0) {StringBuffer buf = new StringBuffer();buf.append("(");buf.append("test_name like '%").append(keyword).append("%'");buf.append(" or ");buf.append("info like '%").append(keyword).append("%'");buf.append(" or ");buf.append("other like '%").append(keyword).append("%'");buf.append(")");condition.put(buf.toString(), "and");}String field = null;if (condition.size() > 0) {condition.put(condition.entrySet().iterator().next().getKey(), "");}int count = this.musicLinkService.getCount(condition, field);if (order != null && order.length() > 0 & "desc".equals(desc)) {order = order + " desc";}// 从数据库中获取数据，并把对象的结果集存到list列表中List<MusicLink> list = this.musicLinkService.getList(condition, pageNo, pageSize, order, field);Map<Object, Object> map = new HashMap<Object, Object>();map.put("total", count);// 如果数据库有15条音乐，则list中有15个对象，则size的大小为15int size = list.size();if (size > 0) {List<MusicLink> listFont = new ArrayList<MusicLink>();MusicLink vo;MusicLink voFont = new MusicLink();// 循环将获取到的对象及结构属性克隆到一个新的voFont对象中，并保存到动态数组中for (int i = 0; i < size; i++) {vo = list.get(i);// 通过java反射将类中当前属性字段对应的内容复制到另外一个类中BeanUtils.copyProperties(vo, voFont);listFont.add(voFont);voFont = new MusicLink();}map.put("list", listFont);// data是一个map对象data = map;statusMsg = "根据条件获取分页数据成功！！！";} else {map.put("list", list);data = map;statusCode = 202;statusMsg = "no record!!!";return webResponse.getWebResponse(statusCode, statusMsg, data);}return webResponse.getWebResponse(statusCode, statusMsg, data);}// 歌曲搜索功能@RequestMapping(value = "/getSongRearch", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse getSongRearch(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(required = false) String songName) {Object data = null;String statusMsg = "";int statusCode = 200;// 调用Mapper层的songRearch方法，进行数据库的操作List<MusicLink> list = this.musicLinkService2.songRearch(songName);int count = list.size();System.out.println();System.out.println("搜索到的歌曲数：" + count);System.out.println("结束");Map<Object, Object> map = new HashMap<Object, Object>();map.put("total", count);int size = list.size();if (size > 0) {List<MusicLink> listFont = new ArrayList<MusicLink>();MusicLink vo;MusicLink voFont = new MusicLink();for (int i = 0; i < size; i++) {vo = list.get(i);BeanUtils.copyProperties(vo, voFont);listFont.add(voFont);voFont = new MusicLink();}map.put("list", listFont);data = map;
//				for (int i = 0; i < map.size(); i++) {
//					System.out.println(map.get(listFont).toString());
//				}
//				statusMsg = "根据条件获取分页数据成功！！！";} else {map.put("list", list);data = map;statusCode = 202;statusMsg = "no record!!!";return webResponse.getWebResponse(statusCode, statusMsg, data);}return webResponse.getWebResponse(statusCode, statusMsg, data);}// 歌曲收藏@RequestMapping(value = "/addMusicCollect", method = RequestMethod.POST, produces = "application/json;charset=UTF-8")@ResponseBodypublic WebResponse addMusicCollect(HttpServletRequest request, HttpServletResponse response, HttpSession session,@RequestParam(required = false) int song_id, @RequestParam(required = false) String user_name,@RequestParam(required = false) String user_password, @RequestParam(required = false) String songName) {WebResponse webResponse = new WebResponse();MusicLink musicLink = new MusicLink();User user = new User();System.out.println("歌曲id：" + song_id + " 用户名：" + user_name + "  户用密码：" + user_password);Object data = null;String statusMsg = "";int statusCode = 200;String user_Id = null;try {user_Id = musicLinkService2.getUserId(user_name, user_password);} catch (Exception e) {}int userId = 0;try {// 判断字符串是否是数字，并且抛出异常boolean NotisNum = (user_Id.equals("null"));// System.out.println(NotisNum);if (!NotisNum) {userId = Integer.parseInt(user_Id);}} catch (Exception e) {}System.out.println("歌曲名：" + songName);String jSong = this.musicLinkService.judgeSong(songName, userId);int my_Id = 0;try {// 判断字符串是否是数字，并且抛出异常// boolean NotisNum// =(user_Id.equals(null)||user_Id.equals("")||user_Id.equals("null"));boolean NotisNum = (jSong.equals("null"));if (!NotisNum) {my_Id = Integer.parseInt(jSong);}} catch (Exception e) {}if (my_Id > 0) {statusCode = 201;statusMsg = "已收藏,请不要重复收藏！";} else {this.musicLinkService.insertSongRearch(song_id, userId);}System.out.println("收藏歌曲的用户id：" + userId);return webResponse.getWebResponse(statusCode, statusMsg, data);}}