转自：https://idig8.com/2018/09/24/xiaochengxujavashizhanxiaochengxudeshipinzhanshiyemianchushihua62/
进入列表详情，展示点赞状态用户的名称，头像名称。源码：https://github.com/limingios/wxProgram.git 中No.15和springboot
后台开发
拦截器，不拦截获取视频初始化信息。游客可以直接观看。通过用户id，视频id，视频创建id获取是否点赞视频，并获取创建者的信息。
- 拦截器
package com.idig8;import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;import com.idig8.controller.interceptor.MiniInterceptor;@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {@Value("${server.file.path}")private String fileSpace;@Overridepublic void addResourceHandlers(ResourceHandlerRegistry registry) {//资源的路径.swagger2的资源.所在的目录，registry.addResourceHandler("/**").addResourceLocations("classpath:/META-INF/resources/").addResourceLocations("file:"+fileSpace);}@Beanpublic MiniInterceptor miniInterceptor() {return new MiniInterceptor();}@Overridepublic void addInterceptors(InterceptorRegistry registry) {registry.addInterceptor(miniInterceptor()).addPathPatterns("/user/**").addPathPatterns("/video/upload", "/video/uploadCover","/video/userLike","/video/userUnLike").addPathPatterns("/bgm/**").excludePathPatterns("/user/queryPublisher");super.addInterceptors(registry);}}
UserController.java
package com.idig8.controller;import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;import com.idig8.pojo.Users;
import com.idig8.pojo.vo.PublisherVideo;
import com.idig8.pojo.vo.UsersVO;
import com.idig8.service.UserService;
import com.idig8.utils.JSONResult;
import com.idig8.utils.file.FileUtil;import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;@RestController
@Api(value="用户接口",tags={"用户的controller"})
@RequestMapping(value = "/user")
public class UserController extends BasicController{@Autowiredprivate UserService userService;@Value("${server.file.path}")private String fileSpace;@ApiOperation(value="用户上传头像",notes="用户上传头像的接口")@ApiImplicitParams({@ApiImplicitParam(name="userId",value="用户id",required=true,dataType="String",paramType="query"),})@PostMapping(value="/uploadFace",headers="content-type=multipart/form-data")public JSONResult uploadFace(String userId,@ApiParam(value="图片",required=true) MultipartFile file) {if (StringUtils.isBlank(userId)) {return JSONResult.errorMsg("用户id不能为空...");}// 文件保存的命名空间String fileName = file.getOriginalFilename();// 保存到数据库中的相对路径String path = "";try {path = FileUtil.uploadFile(file.getBytes(), fileSpace, fileName);} catch (Exception e) {e.getStackTrace();return JSONResult.errorMsg(e.getMessage());}Users user = new Users();user.setId(userId);user.setFaceImage(path);userService.updateUser(user);return JSONResult.ok(path);}@ApiOperation(value="通过用户Id获取用户信息",notes="通过用户Id获取用户信息的接口")@ApiImplicitParam(name="userId",value="用户id",required=true,dataType="String",paramType="query")@PostMapping("/queryByUserId")public JSONResult queryByUserId(String userId) {if (StringUtils.isBlank(userId)) {return JSONResult.errorMsg("用户id不能为空...");}Users user = userService.queryUserId(userId);UsersVO usersVO= new UsersVO();BeanUtils.copyProperties(user, usersVO);return JSONResult.ok(usersVO);}@PostMapping("/queryPublisher")public JSONResult queryPublisher(String loginUserId, String videoId, String publishUserId) throws Exception {if (StringUtils.isBlank(publishUserId)) {return JSONResult.errorMsg("");}// 1. 查询视频发布者的信息Users userInfo = userService.queryUserInfo(publishUserId);UsersVO publisher = new UsersVO();BeanUtils.copyProperties(userInfo, publisher);// 2. 查询当前登录者和视频的点赞关系boolean userLikeVideo = userService.isUserLikeVideo(loginUserId, videoId);PublisherVideo bean = new PublisherVideo();bean.setPublisher(publisher); bean.setUserLikeVideo(userLikeVideo);return JSONResult.ok(bean);}}
- service 和 serviceImp
package com.idig8.service;import com.idig8.pojo.Users;public interface UserService {/*** 判断用户名是否存在* @param username* @return*/public boolean queryUsernameIsExist(String username);/*** 保存用户* @param user* @return*/public void saveUser(Users user);/*** 查询用户对象* @param username* @return*/public Users queryUserIsExist(Users user);/*** 更新对象* @param username* @return*/public void updateUser(Users user);/*** userId查询用户对象* @param username* @return*/public Users queryUserId(String userId);/*** 查询用户信息*/public Users queryUserInfo(String userId);/*** 查询用户是否喜欢点赞视频*/public boolean isUserLikeVideo(String userId, String videoId);}package com.idig8.service.Impl;import java.util.List;import org.apache.commons.lang3.StringUtils;
import org.n3r.idworker.Sid;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;import com.idig8.mapper.UsersLikeVideosMapper;
import com.idig8.mapper.UsersMapper;
import com.idig8.pojo.Users;
import com.idig8.pojo.UsersLikeVideos;
import com.idig8.service.UserService;
import com.idig8.utils.MD5Utils;import tk.mybatis.mapper.entity.Example;
import tk.mybatis.mapper.entity.Example.Criteria;@Service
public class UserServiceImpl implements UserService {@Autowiredprivate UsersMapper usersMapper;@Autowiredprivate UsersLikeVideosMapper usersLikeVideosMapper;@Autowiredprivate UsersMapper userMapper;@Autowiredprivate Sid sid;@Transactional(propagation =Propagation.SUPPORTS)@Overridepublic boolean queryUsernameIsExist(String username) {Users user = new Users();user.setUsername(username);Users result = usersMapper.selectOne(user);return result==null? false:true;}@Transactional(propagation =Propagation.REQUIRED)@Overridepublic void saveUser(Users user) {String userId =sid.nextShort();user.setId(userId);usersMapper.insert(user);}@Transactional(propagation =Propagation.SUPPORTS)@Overridepublic Users queryUserIsExist(Users user) {Example queryExample = new Example(Users.class);Criteria criteria = queryExample.createCriteria();criteria.andEqualTo("username",user.getUsername());try {criteria.andEqualTo("password",MD5Utils.getMD5Str(user.getPassword()));} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}Users userOne = usersMapper.selectOneByExample(queryExample);return userOne;}@Transactional(propagation =Propagation.REQUIRED)@Overridepublic void updateUser(Users user) {Example userExample = new Example(Users.class);Criteria criteria = userExample.createCriteria();criteria.andEqualTo("id", user.getId());usersMapper.updateByExampleSelective(user, userExample);}@Transactional(propagation =Propagation.SUPPORTS)@Overridepublic Users queryUserId(String userId){Example queryExample = new Example(Users.class);Criteria criteria = queryExample.createCriteria();criteria.andEqualTo("id",userId);Users userOne = usersMapper.selectOneByExample(queryExample);return userOne;}@Transactional(propagation = Propagation.SUPPORTS)@Overridepublic Users queryUserInfo(String userId) {Example userExample = new Example(Users.class);Criteria criteria = userExample.createCriteria();criteria.andEqualTo("id", userId);Users user = userMapper.selectOneByExample(userExample);return user;}@Transactional(propagation = Propagation.SUPPORTS)@Overridepublic boolean isUserLikeVideo(String userId, String videoId) {if (StringUtils.isBlank(userId) || StringUtils.isBlank(videoId)) {return false;}Example example = new Example(UsersLikeVideos.class);Criteria criteria = example.createCriteria();criteria.andEqualTo("userId", userId);criteria.andEqualTo("videoId", videoId);List<UsersLikeVideos> list = usersLikeVideosMapper.selectByExample(example);if (list != null && list.size() >0) {return true;}return false;}}小程序修改
- videoInfo.js
var videoUtils = require('../../utils/videoUtils.js')
const app = getApp()
Page({data: {cover:'cover',videoContext:"",videoInfo:{},videId:'',src:'',userLikeVideo:false,serverUrl:'',publisher:[]},showSearch:function(){wx.navigateTo({url: '../videoSearch/videoSearch',})},onLoad:function(params){var me = this;me.videoContext = wx.createVideoContext('myVideo', me);var videoInfo = JSON.parse(params.videoInfo);var videoWidth = videoInfo.videoWidth;var videoHeight = videoInfo.videoHeight;var cover = 'cover';if (videoWidth > videoHeight){cover = '';}me.setData({videId: videoInfo.id,src: app.serverUrl + videoInfo.videoPath,videoInfo: videoInfo,cover: cover})var serverUrl = app.serverUrl;var user = app.getGlobalUserInfo();var loginUserId = "";if (user != null && user != undefined && user != '') {loginUserId = user.id;}wx.request({url: serverUrl + '/user/queryPublisher?loginUserId=' + loginUserId + "&videoId=" + videoInfo.id + "&publishUserId=" + videoInfo.userId,method: 'POST',success: function (res) {console.log(res.data);var publisher = res.data.data.publisher;var userLikeVideo = res.data.data.userLikeVideo;me.setData({serverUrl: serverUrl,publisher: publisher,userLikeVideo: userLikeVideo});}})},showIndex:function(){wx.redirectTo({url: '../index/index',})},onShow:function(){var me = this;me.videoContext.play();},onHide:function(){var me = this;me.videoContext.pause();},upload:function(){var me = this;var userInfo = app.getGlobalUserInfo();var videoInfo = JSON.stringify(me.data.videoInfo);var realUrl = '../videoInfo/videoInfo#videoInfo@' + videoInfo;if (userInfo.id == '' || userInfo.id == undefined) {wx.navigateTo({url: '../userLogin/userLogin?realUrl=' + realUrl,})} else {videoUtils.uploadVideo();}},showMine: function () {var me = this;var userInfo = app.getGlobalUserInfo();var videoInfo = JSON.parseif (userInfo.id == '' || userInfo.id == undefined){wx.navigateTo({url: '../userLogin/userLogin',})}else{wx.navigateTo({url: '../mine/mine',})}},likeVideoOrNot: function () {var me = this;var userInfo = app.getGlobalUserInfo();var videoInfoStr = JSON.stringify(me.data.videoInfo);var realUrl = '../videoInfo/videoInfo#videoInfo@' + videoInfoStr;if (userInfo.id == '' || userInfo.id == undefined) {wx.navigateTo({url: '../userLogin/userLogin?realUrl=' + realUrl,})} else {var videoInfo = me.data.videoInfo;var userLikeVideo = me.data.userLikeVideo;var url = "/video/userLike?userId=" + userInfo.id + "&videoId=" + videoInfo.id + "&videoCreaterId=" + userLikeVideo.userId;if (userLikeVideo){var url = "/video/userUnLike?userId=" + userInfo.id + "&videoId=" + videoInfo.id + "&videoCreaterId=" + userLikeVideo.userId;}wx.showLoading({title: '....',})wx.request({url: app.serverUrl + url,method: "POST",header: {'content-type': 'application/json', // 默认值'headerUserId': userInfo.id,'headerUserToken': userInfo.userToken},success: function (res) {wx.hideLoading();me.setData({userLikeVideo: !userLikeVideo,})}})}}
})PS：拦截器excludePathPatterns可以不拦截，分析业务，那些需要登录后才可以获得，那些不需要登录就可以看到。
