加入积分系统，将充值与积分关联

src/main/java/com/ai/da/controller/CreditsController.java

@@ -0,0 +1,28 @@
+package com.ai.da.controller;
+
+import com.ai.da.common.response.Response;
+import com.ai.da.service.CreditsService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+
+@CrossOrigin
+@RestController
+@RequestMapping("/api/credits")
+@Api(tags = "积分")
+@Slf4j
+public class CreditsController {
+
+    @Resource
+    private CreditsService creditsService;
+
+    @ApiOperation("获取积分")
+    @GetMapping("/getCredits")
+    public Response<String> getCredits(){
+        String credits = creditsService.getCredits();
+        return Response.success(credits);
+    }
+}