aaa

demo/src/main/java/com/example/demo/Controller/Controller.java

@@ -27,9 +27,17 @@ public class Controller{
     }
     @RequestMapping(value = "/add",method = RequestMethod.POST)
     String add(@RequestBody Student s) {
-        //添加学生
         try {
-
+        if (s.getName().equals("")){
+            return "请输入姓名";
+    }
+        if (s.getAge().equals("")){
+            return "请输入年龄";
+        }
+        if (s.getSex().equals("")){
+            return "请输入性别";
+        }
+        //添加学生
             Integer add = stuservice.add(s);
             if (add>=1){
                 return "添加成功!";
@@ -42,7 +50,7 @@ public class Controller{
     }
     @RequestMapping(value = "/update",method = RequestMethod.PUT)
     String update(@RequestBody Student s){
-        //增加学生
+        //修改学生
         Integer update = stuservice.update(s);
         if(update<1){
             return "修改失败!";