package com.genersoft.iot.vmp.vmanager.user; 
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import com.genersoft.iot.vmp.conf.exception.ControllerException; 
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import com.genersoft.iot.vmp.conf.security.JwtUtils; 
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import com.genersoft.iot.vmp.conf.security.SecurityUtils; 
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import com.genersoft.iot.vmp.conf.security.dto.LoginUser; 
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import com.genersoft.iot.vmp.service.IRoleService; 
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import com.genersoft.iot.vmp.service.IUserService; 
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import com.genersoft.iot.vmp.storager.dao.dto.Role; 
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import com.genersoft.iot.vmp.storager.dao.dto.User; 
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import com.genersoft.iot.vmp.utils.DateUtil; 
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import com.genersoft.iot.vmp.vmanager.bean.ErrorCode; 
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import com.genersoft.iot.vmp.vmanager.bean.WVPResult; 
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import com.github.pagehelper.PageInfo; 
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import io.swagger.v3.oas.annotations.Operation; 
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import io.swagger.v3.oas.annotations.Parameter; 
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import io.swagger.v3.oas.annotations.security.SecurityRequirement; 
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import io.swagger.v3.oas.annotations.tags.Tag; 
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import org.springframework.beans.factory.annotation.Autowired; 
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import org.springframework.security.authentication.AuthenticationManager; 
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import org.springframework.util.DigestUtils; 
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import org.springframework.util.ObjectUtils; 
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import org.springframework.web.bind.annotation.*; 
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import javax.security.sasl.AuthenticationException; 
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import javax.servlet.http.HttpServletRequest; 
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import javax.servlet.http.HttpServletResponse; 
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import java.util.List; 
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@Tag(name  = "用户管理") 
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@RestController 
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@RequestMapping("/api/user") 
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public class UserController { 
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    @Autowired 
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    private AuthenticationManager authenticationManager; 
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    @Autowired 
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    private IUserService userService; 
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    @Autowired 
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    private IRoleService roleService; 
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    @GetMapping("/login") 
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    @PostMapping("/login") 
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    @Operation(summary = "登录", description = "登录成功后返回AccessToken, 可以从返回值获取到也可以从响应头中获取到," + 
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            "后续的请求需要添加请求头 'access-token'或者放在参数里") 
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    @Parameter(name = "username", description = "用户名", required = true) 
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    @Parameter(name = "password", description = "密码(32位md5加密)", required = true) 
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    public LoginUser login(HttpServletRequest request, HttpServletResponse response, @RequestParam String username, @RequestParam String password){ 
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        LoginUser user; 
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        try { 
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            user = SecurityUtils.login(username, password, authenticationManager); 
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        } catch (AuthenticationException e) { 
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            throw new ControllerException(ErrorCode.ERROR100.getCode(), e.getMessage()); 
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        } 
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        if (user == null) { 
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            throw new ControllerException(ErrorCode.ERROR100.getCode(), "用户名或密码错误"); 
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        }else { 
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            String jwt = JwtUtils.createToken(username); 
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            response.setHeader(JwtUtils.getHeader(), jwt); 
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            user.setAccessToken(jwt); 
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        } 
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        return user; 
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    } 
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    @PostMapping("/changePassword") 
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    @Operation(summary = "修改密码", security = @SecurityRequirement(name = JwtUtils.HEADER)) 
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    @Parameter(name = "username", description = "用户名", required = true) 
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    @Parameter(name = "oldpassword", description = "旧密码(已md5加密的密码)", required = true) 
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    @Parameter(name = "password", description = "新密码(未md5加密的密码)", required = true) 
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    public void changePassword(@RequestParam String oldPassword, @RequestParam String password){ 
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        // 获取当前登录用户id 
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        LoginUser userInfo = SecurityUtils.getUserInfo(); 
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        if (userInfo== null) { 
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            throw new ControllerException(ErrorCode.ERROR100); 
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        } 
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        String username = userInfo.getUsername(); 
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        LoginUser user = null; 
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        try { 
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            user = SecurityUtils.login(username, oldPassword, authenticationManager); 
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            if (user == null) { 
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                throw new ControllerException(ErrorCode.ERROR100); 
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            } 
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            //int userId = SecurityUtils.getUserId(); 
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            boolean result = userService.changePassword(user.getId(), DigestUtils.md5DigestAsHex(password.getBytes())); 
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            if (!result) { 
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                throw new ControllerException(ErrorCode.ERROR100); 
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            } 
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        } catch (AuthenticationException e) { 
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            throw new ControllerException(ErrorCode.ERROR100.getCode(), e.getMessage()); 
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        } 
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    } 
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    @PostMapping("/add") 
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    @Operation(summary = "添加用户", security = @SecurityRequirement(name = JwtUtils.HEADER)) 
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    @Parameter(name = "username", description = "用户名", required = true) 
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    @Parameter(name = "password", description = "密码(未md5加密的密码)", required = true) 
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    @Parameter(name = "roleId", description = "角色ID", required = true) 
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    public void add(@RequestParam String username, 
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                                                 @RequestParam String password, 
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                                                 @RequestParam Integer roleId){ 
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        if (ObjectUtils.isEmpty(username) || ObjectUtils.isEmpty(password) || roleId == null) { 
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            throw new ControllerException(ErrorCode.ERROR400.getCode(), "参数不可为空"); 
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        } 
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        // 获取当前登录用户id 
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        int currenRoleId = SecurityUtils.getUserInfo().getRole().getId(); 
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        if (currenRoleId != 1) { 
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            // 只用角色id为1才可以删除和添加用户 
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            throw new ControllerException(ErrorCode.ERROR400.getCode(), "用户无权限"); 
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        } 
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        User user = new User(); 
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        user.setUsername(username); 
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        user.setPassword(DigestUtils.md5DigestAsHex(password.getBytes())); 
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        //新增用户的pushKey的生成规则为md5(时间戳+用户名) 
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        user.setPushKey(DigestUtils.md5DigestAsHex((System.currentTimeMillis()+password).getBytes())); 
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        Role role = roleService.getRoleById(roleId); 
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        if (role == null) { 
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            throw new ControllerException(ErrorCode.ERROR400.getCode(), "角色不存在"); 
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        } 
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        user.setRole(role); 
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        user.setCreateTime(DateUtil.getNow()); 
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        user.setUpdateTime(DateUtil.getNow()); 
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        int addResult = userService.addUser(user); 
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        if (addResult <= 0) { 
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            throw new ControllerException(ErrorCode.ERROR100); 
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        } 
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    } 
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    @DeleteMapping("/delete") 
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    @Operation(summary = "删除用户", security = @SecurityRequirement(name = JwtUtils.HEADER)) 
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    @Parameter(name = "id", description = "用户Id", required = true) 
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    public void delete(@RequestParam Integer id){ 
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        // 获取当前登录用户id 
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        int currenRoleId = SecurityUtils.getUserInfo().getRole().getId(); 
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        if (currenRoleId != 1) { 
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            // 只用角色id为0才可以删除和添加用户 
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            throw new ControllerException(ErrorCode.ERROR400.getCode(), "用户无权限"); 
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        } 
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        int deleteResult = userService.deleteUser(id); 
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        if (deleteResult <= 0) { 
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            throw new ControllerException(ErrorCode.ERROR100); 
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        } 
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    } 
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    @GetMapping("/all") 
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    @Operation(summary = "查询用户", security = @SecurityRequirement(name = JwtUtils.HEADER)) 
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    public List<User> all(){ 
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        // 获取当前登录用户id 
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        return userService.getAllUsers(); 
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    } 
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    /** 
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     * 分页查询用户 
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     * 
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     * @param page  当前页 
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     * @param count 每页查询数量 
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     * @return 分页用户列表 
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     */ 
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    @GetMapping("/users") 
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    @Operation(summary = "分页查询用户", security = @SecurityRequirement(name = JwtUtils.HEADER)) 
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    @Parameter(name = "page", description = "当前页", required = true) 
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    @Parameter(name = "count", description = "每页查询数量", required = true) 
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    public PageInfo<User> users(int page, int count) { 
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        return userService.getUsers(page, count); 
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    } 
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    @RequestMapping("/changePushKey") 
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    @Operation(summary = "修改pushkey", security = @SecurityRequirement(name = JwtUtils.HEADER)) 
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    @Parameter(name = "userId", description = "用户Id", required = true) 
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    @Parameter(name = "pushKey", description = "新的pushKey", required = true) 
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    public void changePushKey(@RequestParam Integer userId,@RequestParam String pushKey) { 
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        // 获取当前登录用户id 
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        int currenRoleId = SecurityUtils.getUserInfo().getRole().getId(); 
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        WVPResult<String> result = new WVPResult<>(); 
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        if (currenRoleId != 1) { 
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            // 只用角色id为0才可以删除和添加用户 
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            throw new ControllerException(ErrorCode.ERROR400.getCode(), "用户无权限"); 
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        } 
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        int resetPushKeyResult = userService.changePushKey(userId,pushKey); 
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        if (resetPushKeyResult <= 0) { 
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            throw new ControllerException(ErrorCode.ERROR100); 
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        } 
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    } 
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    @PostMapping("/changePasswordForAdmin") 
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    @Operation(summary = "管理员修改普通用户密码", security = @SecurityRequirement(name = JwtUtils.HEADER)) 
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    @Parameter(name = "adminId", description = "管理员id", required = true) 
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    @Parameter(name = "userId", description = "用户id", required = true) 
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    @Parameter(name = "password", description = "新密码(未md5加密的密码)", required = true) 
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    public void changePasswordForAdmin(@RequestParam int userId, @RequestParam String password) { 
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        // 获取当前登录用户id 
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        LoginUser userInfo = SecurityUtils.getUserInfo(); 
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        if (userInfo == null) { 
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            throw new ControllerException(ErrorCode.ERROR100); 
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        } 
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        Role role = userInfo.getRole(); 
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        if (role != null && role.getId() == 1) { 
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            boolean result = userService.changePassword(userId, DigestUtils.md5DigestAsHex(password.getBytes())); 
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            if (!result) { 
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                throw new ControllerException(ErrorCode.ERROR100); 
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            } 
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        } 
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    } 
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} 
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