ADD file via upload

SystemAnnouncementController.java

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+package com.qsd.orange.controller;
+
+import com.qsd.orange.global.R;
+import com.qsd.orange.po.SysAnnouncement;
+import com.qsd.orange.service.AnnouncementService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.validation.Valid;
+
+@RestController
+@RequestMapping("system/announcement")
+public class SystemAnnouncementController {
+
+    @Autowired
+    private AnnouncementService announcementService;
+
+    @PostMapping("add")
+    public R add(@Valid SysAnnouncement announcement, Authentication authentication){
+        User user = (User)authentication.getPrincipal();
+        String username = user.getUsername();
+        return R.choose(announcementService.add(announcement, username) > 0);
+    }
+
+    @PostMapping("update")
+    public R update(SysAnnouncement announcement){
+        return R.choose(announcementService.update(announcement) > 0);
+    }
+
+}