app下载 - app版本更新 (实测可行版)

关键业务
添加一个新版本，默认是关闭发布的状态，如果填写的内容有误，可以进行修改删除
发布版本是很严谨的，一旦发布版本，就不能关闭
app端点击更新按钮时, 更新到已发布版本的最新版

CREATE TABLE `tb_version` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '编号',`version` varchar(50) DEFAULT NULL COMMENT '版本号',`picture_path` text COMMENT '图片路径',`download_path` text COMMENT '更新包地址',`download_type` int(2) DEFAULT NULL COMMENT '下载地址的类型 1上传应用 2填写外部链接',`create_time` datetime DEFAULT NULL COMMENT '创建时间',`update_time` datetime DEFAULT NULL COMMENT '修改时间',`release_time` datetime DEFAULT NULL COMMENT '发布时间',`is_release` int(2) DEFAULT NULL COMMENT '是否发布 0关闭 1开启',`is_delete` int(2) DEFAULT '0' COMMENT '是否删除 1删除 0未删除',PRIMARY KEY (`id`) USING BTREE,UNIQUE KEY `index_version` (`version`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='版本信息';

CREATE TABLE `tb_version_info` (`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '编号',`version_id` bigint(20) NOT NULL COMMENT '版本ID',`introduction` varchar(255) DEFAULT NULL COMMENT '版本内容',`order_num` int(11) DEFAULT NULL COMMENT '顺序号',`is_delete` int(2) DEFAULT '0' COMMENT '是否删除 1删除 0未删除',PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='版本详情';

后台管理系统
VersionController.java

import com.yymt.common.annotation.Login;
import com.yymt.common.constants.VersionConstant;
import com.yymt.common.utils.BigDataUtil;
import com.yymt.common.utils.ConvertUtil;
import com.yymt.common.utils.R;
import com.yymt.dao.sys.VersionInfoDao;
import com.yymt.entity.sys.VersionEntity;
import com.yymt.modules.controller.base.BaseController;
import com.yymt.service.sys.VersionInfoService;
import com.yymt.service.sys.VersionService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;import java.util.Date;
import java.util.List;
import java.util.Map;/*** 版本信息*/
@RestController
@RequestMapping("version")
@Api(tags = "版本信息")
public class VersionController extends BaseController {@Autowiredprivate VersionService versionService;@Autowiredprivate VersionInfoService versionInfoService;@AutowiredVersionInfoDao versionInfoDao;@PostMapping("/save")@ApiOperation(value = "保存")@Loginpublic R save(@ApiParam("参数说明 " +"version:版本号，introduction:更新内容(必须传数组格式)，picturePath:图片路径(必须传数组格式), " +"downloadPath:下载链接, downloadType:下载链接的类型(1上传应用 2填写外部链接)")@RequestBody Map<String, Object> params) {return versionService.saveData(params);}@PostMapping("/updateReleaseStatus/{id}")@ApiOperation(value = "开启发布")@Loginpublic R updateReleaseStatus(@PathVariable("id") Long id){VersionEntity versionEntity = versionService.selectById(id);if (versionEntity == null) {return R.error("该版本不存在");}if (VersionConstant.VERSION_RELEASE_OPEN == versionEntity.getIsRelease()) {return R.error("已发布版本不能关闭!!");}versionEntity.setIsRelease(VersionConstant.VERSION_RELEASE_OPEN);versionEntity.setReleaseTime(new Date());versionService.updateById(versionEntity);return R.ok();}@PostMapping("/list")@ApiOperation(value = "列表")@Loginpublic R list(@ApiParam(value = "参数说明 titleKeyword:关键词，pageSize：个数，currPage：当前页")@RequestBody Map<String, Object> params) {return versionService.queryPageData(params, getTopUrl());}@PostMapping("/info/{id}")@ApiOperation(value = "信息")@Loginpublic R info(@PathVariable("id") Long id){VersionEntity version = versionService.selectById(id);if (version == null) {return R.error("该数据不存在");}return versionService.selectInfo(id, getTopUrl());}@PostMapping("/update")@ApiOperation(value = "修改")@Loginpublic R update(@ApiParam("参数说明 " +"version:版本号，introduction:更新内容(必须传数组格式)，picturePath:图片路径(必须传数组格式), " +"downloadPath:下载链接, downloadType:下载链接的类型(1上传应用 2填写外部链接),id:版本ID(必填)")@RequestBody Map<String, Object> params) {Long id = ConvertUtil.parseLong(params.get("id"));VersionEntity versionEntity = versionService.selectById(id);if (versionEntity == null) {return R.error("id不能为空或者该id不存在");}// ###### 先删除, 后添加 #######versionService.deleteById(id);// 获取当前版本的所有版本更新内容List<Map<String, Object>> list = versionInfoDao.queryDataByVersionId(id);// 获取所有idList idList = BigDataUtil.getColumnValueToList(list, "id", 0);versionInfoService.deleteBatchIds(idList);return versionService.saveData(params);}@PostMapping("/delete/{id}")@ApiOperation(value = "删除")@Loginpublic R delete(@PathVariable("id") Long id){// 这里用物理删除, 不用逻辑删除, 避免版本号被占用versionService.deleteById(id);return R.ok();}
}

VersionService .java

import com.baomidou.mybatisplus.service.IService;
import com.yymt.common.utils.PageUtils;
import com.yymt.common.utils.R;
import com.yymt.entity.sys.VersionEntity;import java.util.List;
import java.util.Map;/*** 版本信息*/
public interface VersionService extends IService<VersionEntity> {PageUtils queryPage(Map<String, Object> params);/*** @Description: 最新版本信息*/List<Map<String, Object>> selectLastInfo();/*** @Description: 保存*/R saveData(Map<String, Object> params);/*** @Description: 列表*/R queryPageData(Map<String, Object> params, String topUrl);/*** @Description: 获取总记录数*/int queryCountData(Map<String, Object> params);/*** @Description: 信息*/R selectInfo(Long id, String topUrl);/*** @Description: 删除/批量删除*/R deleteData(List idList);/*** @Description: 当前版本信息*/List<Map<String, Object>> selectCurrentInfoByVersion(Map<String, Object> params);
}

VersionServiceImpl.java

import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.plugins.Page;
import com.baomidou.mybatisplus.service.impl.ServiceImpl;
import com.yymt.common.constants.DeleteSymble;
import com.yymt.common.constants.VersionConstant;
import com.yymt.common.utils.*;
import com.yymt.dao.sys.VersionDao;
import com.yymt.dao.sys.VersionInfoDao;
import com.yymt.entity.sys.VersionEntity;
import com.yymt.entity.sys.VersionInfoEntity;
import com.yymt.service.sys.VersionInfoService;
import com.yymt.service.sys.VersionService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;import java.util.*;@Service("versionService")
public class VersionServiceImpl extends ServiceImpl<VersionDao, VersionEntity> implements VersionService {@AutowiredVersionService versionService;@AutowiredVersionInfoService infoService;@AutowiredVersionInfoDao versionInfoDao;@Overridepublic PageUtils queryPage(Map<String, Object> params) {Page<VersionEntity> page = this.selectPage(new Query<VersionEntity>(params).getPage(),new EntityWrapper<VersionEntity>());return new PageUtils(page);}/*** @return com.yymt.common.utils.R* @Description: 最新版本信息*/@Overridepublic List<Map<String, Object>> selectLastInfo() {List<Map<String, Object>> list = baseMapper.selectLastInfo();List<Map<String, Object>> dataList = null;Map<String, Object> m = null;if (list != null && list.size() > 0) {m = list.get(0);dataList = new ArrayList<>();// 获取指定列的数据List introductionList = BigDataUtil.getColumnValueToList(list, "introduction", 0);m.put("introduction", introductionList);dataList.add(m);}return dataList;}/*** @param params* @return com.yymt.common.utils.R* @Description: 保存*/@Overridepublic R saveData(Map<String, Object> params) {String version = ConvertUtil.objToStrConverNull(params.get("version"));String introduction = ConvertUtil.objToStrConverNull(params.get("introduction"));String picturePath = ConvertUtil.objToStrConverNull(params.get("picturePath"));String downloadPath = ConvertUtil.objToStrConverNull(params.get("downloadPath"));Integer downloadType = ConvertUtil.parseInt(params.get("downloadType"));if (version == null) {return R.error("参数version不能为空");}if (introduction == null) {return R.error("参数introduction不能为空");}if (downloadPath == null) {return R.error("参数downloadPath不能为空");}if (VersionConstant.getMapVERSION_DOWNLOAD_TYPE(downloadType) == null) {return R.error("参数downloadType有误 0关闭 1开启");}// 版本号只能含数字和点, 新版本必须比旧版本更大, 版本号必须唯一, 不发布的版本最多只能有一个(版本更新要很严谨!)if (version != null) {  // 校验版本// 1.版本号只能含数字和点, 第一位不能为小数点String legalChar = "0123456789.";if (version.length() < 3 || !version.contains(".")) {return R.error("版本号长度必须大于等于3, 且要包含数字和点");}if (".".equals(version.substring(0, 1))) {return R.error("第一位不能为小数点, 必须是数字");}for (int i = 0; i < version.length(); i++) {if (i == version.length() - 1) {if (!legalChar.contains(version.substring(i))) {return R.error("版本号只能含数字和点");}} else {if (!legalChar.contains(version.substring(i, i + 1))) {return R.error("版本号只能含数字和点");}}}// 2.新版本必须比旧版本更大,版本号必须唯一// 获取最新的版本号List<Map<String, Object>> lastList = versionService.selectLastInfo();if (lastList != null && lastList.size() > 0) {String lastVersion = (String) lastList.get(0).get("version");int compareResult = PublicUtils.compareVersion(version, lastVersion);if (compareResult != 1) {return R.error("新版本号必须比旧版本号更大");}}VersionEntity entity = versionService.selectOne(new EntityWrapper<VersionEntity>().eq("version", version));if (entity != null) {return R.error("当前版本号已存在, 版本号必须唯一");}// 3.不发布的版本最多只能有一个(严谨一点)// 获取不发布的数量int count = baseMapper.queryCountNotReleaseData();if (count > 0) {return R.error("请先将那些尚未发布的版本发布后,在执行新增版本的操作");}}// 其他校验if ("[]".equals(picturePath)) {picturePath = null;}if (picturePath != null) {if (!picturePath.contains("[") || !picturePath.contains("]")) {return R.error("picturePath必须是数组格式");}}if (!introduction.contains("[") || !introduction.contains("]")) {return R.error("introduction版本更新内容必须是数组格式");}// 校验下载链接 (外部链接类型要校验, 附件上传类型不用校验)if (VersionConstant.VERSION_DOWNLOAD_TYPE_EXT_URL == downloadType) {if (!PublicUtils.isHttpUrl(downloadPath)) {return R.error("下载链接不合法，请输入正确的下载链接");}}// 添加一个新版本，默认是关闭发布的状态，如果填写的内容有误，可以进行修改删除// 默认值VersionEntity versionEntity = new VersionEntity();versionEntity.setCreateTime(new Date());versionEntity.setIsDelete(DeleteSymble.IS_NORMAL);versionEntity.setIsRelease(VersionConstant.VERSION_RELEASE_CLOSE);// 参数值versionEntity.setDownloadPath(downloadPath);versionEntity.setDownloadType(downloadType);versionEntity.setPicturePath(picturePath);versionEntity.setVersion(version);// 避免id已存在的情况try {versionService.insert(versionEntity);} catch (Exception e) {System.out.println("id = " + versionEntity.getId() + "被占用了...");// 获取当前最大的版本IDList<Map<String, Object>> maxList = baseMapper.queryMaxVersionId();Long maxId = (Long) maxList.get(0).get("id");versionEntity.setId(maxId + 1);versionService.insertAllColumn(versionEntity);}// 版本更新内容信息introduction = introduction.substring(1, introduction.length() - 1);String[] introArr = introduction.split(",");Long versionId = versionEntity.getId();for (int i = 0; i < introArr.length; i++) {VersionInfoEntity infoEntity = new VersionInfoEntity();infoEntity.setVersionId(versionId);infoEntity.setIsDelete(DeleteSymble.IS_NORMAL);infoEntity.setIntroduction(introArr[i]);infoEntity.setOrderNum(i + 1);infoService.insert(infoEntity);}return R.ok();}/*** @param params* @param topUrl* @return com.yymt.common.utils.R* @Description: 列表*/@Overridepublic R queryPageData(Map<String, Object> params, String topUrl) {params = ConvertUtil.getParams(params);params.put("isDel", DeleteSymble.IS_NORMAL);List<Map<String, Object>> list = baseMapper.queryPageData(params);// 处理下载链接 没前缀的添加前缀if (list != null && list.size() >0) {String downloadPath = "";Integer downloadType = 0;for (Map<String, Object> map : list) {downloadPath = ConvertUtil.objToStrConverSpace(map.get("downloadPath"));downloadType = ConvertUtil.parseInt(map.get("downloadType"));if (downloadType == VersionConstant.VERSION_DOWNLOAD_TYPE_UPLOAD) {downloadPath = topUrl + downloadPath;map.put("downloadPath", downloadPath);}}}// 获取总记录数int count = versionService.queryCountData(params);PageUtils page = ConvertUtil.getPageUtil(params, list, count);return R.ok().put("data", page);}/*** @param params* @return int* @Description: 获取总记录数*/@Overridepublic int queryCountData(Map<String, Object> params) {return baseMapper.queryCountData(params);}/*** @param id* @param topUrl* @return com.yymt.common.utils.R* @Description: 信息*/@Overridepublic R selectInfo(Long id, String topUrl) {VersionEntity versionEntity = versionService.selectById(id);// 获取当前版本的所有版本更新内容List<Map<String, Object>> list = versionInfoDao.queryDataByVersionId(id);// 获取指定列的数据List introductionList = BigDataUtil.getColumnValueToList(list, "introduction", 0);// 数据信息  po转mapMap<String, Object> map = EntityMapUtils.entityToMap(versionEntity);// 处理下载链接 没前缀的添加前缀String downloadPath = "";Integer downloadType = 0;downloadPath = ConvertUtil.objToStrConverSpace(map.get("downloadPath"));downloadType = ConvertUtil.parseInt(map.get("downloadType"));if (downloadType == VersionConstant.VERSION_DOWNLOAD_TYPE_UPLOAD) {downloadPath = topUrl + downloadPath;map.put("downloadPath", downloadPath);}// 字符串转数组String picturePath = ConvertUtil.objToStrConverNull(map.get("picturePath"));if (picturePath != null && picturePath.length() > 2) {picturePath = picturePath.substring(1, picturePath.length() - 1);String[] picArr = picturePath.split(",");map.put("picturePath", picArr);}map.put("introduction", introductionList);return R.ok().put("data", map);}/*** @param idList* @return com.yymt.common.utils.R* @Description: 删除/批量删除*/@Overridepublic R deleteData(List idList) {Map map = new HashMap();map.put("idList", idList);map.put("isDel", DeleteSymble.IS_DELETE);map.put("updateTime", new Date());baseMapper.deleteData(map);return R.ok();}/*** @param params* @return java.util.List<java.util.Map < java.lang.String, java.lang.Object>>* @Description: 当前版本信息*/@Overridepublic List<Map<String, Object>> selectCurrentInfoByVersion(Map<String, Object> params) {List<Map<String, Object>> list = baseMapper.selectCurrentInfoByVersion(params);List<Map<String, Object>> dataList = null;Map<String, Object> m = null;if (list != null && list.size() > 0) {m = list.get(0);dataList = new ArrayList<>();// 获取指定列的数据List introductionList = BigDataUtil.getColumnValueToList(list, "introduction", 0);m.put("introduction", introductionList);dataList.add(m);}return dataList;}
}

VersionDao.java

import com.baomidou.mybatisplus.mapper.BaseMapper;
import com.yymt.entity.sys.VersionEntity;import java.util.List;
import java.util.Map;/*** 版本信息*/
public interface VersionDao extends BaseMapper<VersionEntity> {/*** @Description: 最新版本信息*/List<Map<String, Object>> selectLastInfo();/*** @Description: 列表*/List<Map<String, Object>> queryPageData(Map<String, Object> params);/*** @Description: 获取总记录数*/int queryCountData(Map<String, Object> params);/*** @Description: 删除/批量删除*/void deleteData(Map map);/*** @Description: 获取不发布的数量*/int queryCountNotReleaseData();/*** @Description: 当前版本信息*/List<Map<String, Object>> selectCurrentInfoByVersion(Map<String, Object> params);/*** @Description: 获取当前最大的版本ID*/List<Map<String, Object>> queryMaxVersionId();}

VersionDao.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.yymt.dao.sys.VersionDao"><!-- 可根据自己的需求，是否要使用 --><resultMap type="com.yymt.entity.sys.VersionEntity" id="versionMap"><result property="id" column="id"/><result property="version" column="version"/><result property="picturePath" column="picture_path"/><result property="downloadPath" column="download_path"/><result property="downloadType" column="download_type"/><result property="createTime" column="create_time"/><result property="updateTime" column="update_time"/><result property="releaseTime" column="release_time"/><result property="isRelease" column="is_release"/><result property="isDelete" column="is_delete"/></resultMap><sql id="Base_Column_List" >id AS id,version AS version,picture_path AS picturePath,download_path AS downloadPath,download_type AS downloadType,create_time AS createTime,update_time AS updateTime,release_time AS releaseTime,is_release AS isRelease,is_delete AS isDelete,</sql><select id="queryPageData" resultType="map">SELECTa.id AS id,a.version AS version,a.picture_path AS picturePath,a.download_path AS downloadPath,a.download_type AS downloadType,a.create_time AS createTime,a.update_time AS updateTime,a.release_time AS releaseTime,a.is_release AS isRelease,a.is_delete AS isDeleteFROM tb_version aWHERE 1= 1AND a.is_delete = #{isDel}<!-- 关键字 --><if test="titleKeyword != null and titleKeyword != ''">AND (a.version LIKE CONCAT('%',#{titleKeyword},'%'))</if>ORDER BY a.create_time DESCLIMIT #{index},#{pageSize}</select><select id="queryCountData" resultType="int">SELECT count(1) FROM tb_version aWHERE 1= 1AND a.is_delete = #{isDel}<!-- 关键字 --><if test="titleKeyword != null and titleKeyword != ''">AND (a.version LIKE CONCAT('%',#{titleKeyword},'%'))</if></select><select id="selectLastInfo" resultType="map">SELECTb.*,c.introductionFROM(SELECT*FROMtb_version aWHEREa.is_delete = 0AND a.is_release = 1AND a.release_time IS NOT NULLAND a.download_path IS NOT NULLAND a.download_type IS NOT NULLAND a.version IS NOT NULLORDER BYa.release_time DESCLIMIT 1) bLEFT JOIN tb_version_info c ON b.id = c.version_id<!-- WHEREc.is_delete = 0  -->ORDER BYc.order_num</select><update id="deleteData">UPDATE tb_version aSET a.is_delete = #{isDel},a.update_time = #{updateTime}<where>id<foreach collection="idList" item="id" open="in (" close=")" separator=",">#{id}</foreach></where></update><select id="queryCountNotReleaseData" resultType="int">SELECT count(1) FROM tb_version aWHERE 1= 1AND a.is_delete = 0AND a.is_release = 0</select><select id="selectCurrentInfoByVersion" resultType="map">SELECTb.*,c.introductionFROM(SELECT*FROMtb_version aWHEREa.is_delete = 0AND a.is_release = 1AND a.release_time IS NOT NULLAND a.download_path IS NOT NULLAND a.download_type IS NOT NULLAND a.version = #{version}ORDER BYa.release_time DESCLIMIT 1) bLEFT JOIN tb_version_info c ON b.id = c.version_id<!-- WHEREc.is_delete = 0  -->ORDER BYc.order_num</select><select id="queryMaxVersionId" resultType="map">SELECT id FROM tb_versionORDER BY id DESC LIMIT 1</select></mapper>

app端

VersionController.java

import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.yymt.common.annotation.Login;
import com.yymt.common.utils.ConvertUtil;
import com.yymt.common.utils.R;
import com.yymt.dao.sys.VersionDao;
import com.yymt.entity.sys.VersionEntity;
import com.yymt.modules.controller.base.BaseController;
import com.yymt.service.sys.VersionService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.Map;/*** 版本信息*/
@RestController
@RequestMapping("version")
@Api(tags = "版本信息")
public class VersionController{@Autowiredprivate VersionService versionService;@Autowiredprivate VersionDao versionDao;@PostMapping("/currentInfo")@ApiOperation(value = "当前版本信息")@Loginpublic R currentInfo( @ApiParam("参数说明 version:版本号(必填)")@RequestBody Map<String, Object> params) {String version = ConvertUtil.objToStrConverNull(params.get("version"));if (version == null) {return R.error("version版本号不能为空");}VersionEntity versionEntity = versionService.selectOne(new EntityWrapper<VersionEntity>().eq("version", version));if (versionEntity == null) {return R.error("版本" + version + "不存在");}return versionService.selectInfo(versionEntity.getId(), getTopUrl());}@PostMapping("/lastInfo")@ApiOperation(value = "检查版本(最新版本信息)")@Loginpublic R lastInfo(){List<Map<String, Object>> list = versionDao.selectLastInfo();if (list == null) {return R.ok().put("data", "当前已是最新版本");}Long id = ConvertUtil.parseLong(list.get(0).get("id"));VersionEntity version = versionService.selectById(id);if (version == null) {return R.error("该数据不存在");}return versionService.selectInfo(id, getTopUrl());}/*** @Description: app下载/版本更新(后端提供下载接口, 安卓端调用api安装即可) 要用手机测试!*/@Login@GetMapping("/download/{id}")@ApiOperation(value = "app下载/版本更新(要用手机测试!)", produces="application/octet-stream")public void downloadPicture(@PathVariable("id") Long id, HttpServletResponse response) throws Exception {VersionEntity versionEntity = versionService.selectById(id);if (versionEntity == null) {return;}String downloadPath = versionEntity.getDownloadPath();downloadApp(downloadPath, response);}public void downloadApp(String appPath, HttpServletResponse response) {// 获取文件的扩展名String suffix = appPath.substring(appPath.lastIndexOf("."));if (appPath != "" && !appPath.equals(null)) {BufferedInputStream in = null;BufferedOutputStream out = null;try {URL url = new URL(appPath);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setConnectTimeout(5 * 1000);InputStream inStream = conn.getInputStream();response.setCharacterEncoding("UTF-8");response.addHeader("Content-Type", "application/vnd.android.package-archive");response.setHeader("Content-disposition", "attachment; filename=" + System.currentTimeMillis() + suffix);in = new BufferedInputStream(inStream);out = new BufferedOutputStream(response.getOutputStream());byte[] data = new byte[1024];int size = 0;int len = 0;while (-1 != (len = in.read(data, 0, data.length))) {size += len;out.write(data, 0, len);}response.addHeader("Content-Length", size + "");} catch (FileNotFoundException e) {e.printStackTrace();} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} finally {try {if (in != null) {in.close();}if (out != null) {out.flush();out.close();}} catch (IOException e) {e.printStackTrace();}}}}
}

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