学习axios

联系用axios发送请求，并且复习springmvc接收json请求。

code/web/car_dealer/css/axios/axios.css

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+/*
+ * @Author: Kane
+ * @Date: 2022-10-31 14:38:45
+ * @LastEditors: Kane
+ * @LastEditTime: 2022-10-31 14:56:42
+ * @FilePath: \car_dealer\css\axios\axios.css
+ * @Description: 
+ * 
+ * Copyright (c) ${2022} by Kane, All Rights Reserved. 
+ */
+html {
+    --border-color: #efefef;
+    --hr-color: #efefef;
+    --backupground-color: #f8f8f8;
+    --btn-color-blue: #307dbe;
+    --btn-color-yellow: #f7b24d;
+    --btn-color-green: #5bad60;
+    --btn-color-red: #e56651;
+    --btn-font-color: #fff;
+
+    --light-shadow: #cfcfcf;
+    --dark-shadow: #afafaf;
+
+    --scrollbar-backupground-color: #cfcfcf7f;
+    --scrollbar-track-color: #f7f7f700;
+
+    --font-color: rgba(0, 0, 50, 255);
+
+    color: var(--font-color);
+}
+
+input {
+    line-height: 2rem;
+    width: 100%;
+}
+
+/* 隐藏上传文件 */
+input[type="file"] {
+    display: none;
+}
+
+.main_plane {
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    width: 20rem;
+}
+
+.main_plane > * + * {
+    margin-top: 15px;
+}