diff --git "a/\345\221\250\346\230\237\345\256\207/20220621-\346\226\207\344\273\266\346\211\251\345\261\225\345\220\215\351\252\214\350\257\201.md" "b/\345\221\250\346\230\237\345\256\207/20220621-\346\226\207\344\273\266\346\211\251\345\261\225\345\220\215\351\252\214\350\257\201.md"
new file mode 100644
index 0000000000000000000000000000000000000000..9b7486b86e3827a600c7ff9c29938bdcc2112247
--- /dev/null
+++ "b/\345\221\250\346\230\237\345\256\207/20220621-\346\226\207\344\273\266\346\211\251\345\261\225\345\220\215\351\252\214\350\257\201.md"
@@ -0,0 +1,12 @@
+# 文件扩展名验证
+     限制上传文件扩展名以及文件最大值
+     在appsettings.json中新增代码
+     "UploadFilePath":{
+     "FilePath":"StaticFiles",
+     "AllowFileExtensions":".pdf,.jpg",
+     "MaxFileSize":"102400"
+     }
+![蛇皮](./imgs/0621.png)
+![蛇皮](./imgs/0622.png)
+![蛇皮](./imgs/0623.png)
+![蛇皮](./imgs/0624.png)
\ No newline at end of file
diff --git "a/\345\221\250\346\230\237\345\256\207/imgs/0621.png" "b/\345\221\250\346\230\237\345\256\207/imgs/0621.png"
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diff --git "a/\345\221\250\346\230\237\345\256\207/imgs/0622.png" "b/\345\221\250\346\230\237\345\256\207/imgs/0622.png"
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diff --git "a/\345\221\250\346\230\237\345\256\207/imgs/0623.png" "b/\345\221\250\346\230\237\345\256\207/imgs/0623.png"
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index 0000000000000000000000000000000000000000..6768bae521373d1baf1380a2d622a7db9b538cab
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diff --git "a/\345\221\250\346\230\237\345\256\207/imgs/0624.png" "b/\345\221\250\346\230\237\345\256\207/imgs/0624.png"
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