feat 还原代码生成器的UI 和接口格式

admin/src/utils/file.ts

@@ -0,0 +1,16 @@
+/**
+ * @description
+ * @param file
+ */
+export function streamFileDownload(file: any, fileName = '文件名称.zip') {
+    const blob = new Blob([file], { type: 'application/octet-stream;charset=UTF-8' })
+    const url = window.URL.createObjectURL(blob)
+    const link = document.createElement('a')
+    link.style.display = 'none'
+    link.href = url
+    link.setAttribute('download', fileName)
+    document.body.appendChild(link)
+    link.click()
+    document.body.removeChild(link) // 下载完成移除元素
+    window.URL.revokeObjectURL(url)
+}