修改了绑定网站账号的接口，添加重复绑定的判断

src/main/java/com/xkrs/controller/SysUserController.java

@@ -17,6 +17,7 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
+import javax.servlet.http.HttpServletResponse;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
@@ -247,9 +248,9 @@ public class SysUserController {
      * @return
      */
     @PostMapping("/findUserByOpenId")
-    public String findUserByOpenId(@RequestBody Map map){
+    public String findUserByOpenId(@RequestBody Map map, HttpServletResponse response){
         String openId = (String) map.get("openId");
-        return sysUserService.findUserByOpenId(openId);
+        return sysUserService.findUserByOpenId(openId,response);
     }
 
     /**
@@ -267,6 +268,10 @@ public class SysUserController {
         if(byUserName == null){
             return outputEncapsulationObject(PromptMessageEnum.DATA_NONE,"输入错误或未注册，请检查注册！",locale);
         }
+        SysUserEntity byOpenId = sysUserDao.findByOpenId(openId);
+        if(byOpenId != null){
+            return outputEncapsulationObject(PromptMessageEnum.PROCESS_FAIL,"您已绑定网站账号，请勿重复绑定！",locale);
+        }
         sysUserDao.updateOpenIdByPhone(phone,openId);
         return outputEncapsulationObject(PromptMessageEnum.SUCCESS,"绑定成功！",locale);
     }

src/main/java/com/xkrs/dao/SysUserDao.java

@@ -144,4 +144,12 @@ public interface SysUserDao extends JpaRepository<SysUserEntity,Integer> {
     @Query(value = "update sys_user set open_id = ?2 where user_name = ?1",nativeQuery = true)
     @Modifying(clearAutomatically=true)
     void updateOpenIdByPhone(String userName,String openId);
+
+    /**
+     * 根据openId和手机号查询信息
+     * @param openId
+     * @param userName
+     * @return
+     */
+    SysUserEntity findByOpenIdAndUserName(String openId,String userName);
 }

src/main/java/com/xkrs/service/impl/SysUserServiceImpl.java

@@ -246,13 +246,13 @@ public class SysUserServiceImpl implements SysUserService {
      * @return
      */
     @Override
-    public String findUserByOpenId(String openId) {
+    public String findUserByOpenId(String openId,HttpServletResponse response) {
         Locale locale = LocaleContextHolder.getLocale();
         Map map = new HashMap(3);
         SysUserEntity byOpenId = sysUserDao.findByOpenId(openId);
         if(byOpenId == null){
             map.put("type","0");
-            return outputEncapsulationObject(PromptMessageEnum.PROCESS_FAIL,map,locale);
+            return outputEncapsulationObject(PromptMessageEnum.DATA_NONE,map,locale);
         }else {
             // 设置权限列表
             ArrayList<GrantedAuthority> permissions = new ArrayList<>();
@@ -263,7 +263,6 @@ public class SysUserServiceImpl implements SysUserService {
             }
             // 生成令牌
             Authentication authToken = new UsernamePasswordAuthenticationToken(byOpenId.getUserName(), byOpenId.getPassword(), permissions);
-            HttpServletResponse response = null;
             response.setHeader("Access-Control-Allow-Origin", "*");
             response.setHeader("Access-Control-Allow-Credentials", "false");
             response.setContentType("application/json");