初始化

api/exception/exception.go

@@ -0,0 +1,43 @@
+package exception
+
+import (
+	"github.com/gin-gonic/gin"
+	"log"
+	"net/http"
+	"runtime/debug"
+	"vote-admin-api/consts"
+)
+
+// Recover
+// @Description: 处理全局异常
+// @return gin.HandlerFunc
+func Recover() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		defer func() {
+			if r := recover(); r != nil {
+				// 打印错误堆栈信息
+				log.Printf("panic: %v\n", r)
+				debug.PrintStack()
+				c.JSON(http.StatusInternalServerError, gin.H{
+					"code":    consts.ServerError,
+					"message": errorToString(r),
+					"data":    "",
+				})
+				// 终止后续接口调用，不加的话recover到异常后，还会继续执行接口里后续代码
+				c.Abort()
+			}
+		}()
+		// 加载完 defer recover，继续后续接口调用
+		c.Next()
+	}
+}
+
+// recover错误，转string
+func errorToString(r interface{}) string {
+	switch v := r.(type) {
+	case error:
+		return v.Error()
+	default:
+		return r.(string)
+	}
+}