modify:修改导出

yanxuan-qc-change-system-web/src/main/java/com/netease/mail/yanxuan/change/web/controller/ChangeFlowController.java

@@ -180,7 +180,7 @@ public class ChangeFlowController {
      * 
      * @return
      */
-    @PostMapping("/export")
+    @GetMapping("/export")
     public AjaxResult<Void> export(@RequestParam(name = "itemId", required = false) String itemId,
                                     @RequestParam(name = "supplier", required = false) String supplier,
                                     @RequestParam(name = "parentChangeClassId", required = false) Long parentChangeClassId,