doc(loading-bar): chinese

demo/documentation/components/loadingBar/zhCN/basic.md

@@ -0,0 +1,32 @@
+# 基础用法
+```html
+<n-button @click="handleStart">
+  开始
+</n-button>
+<n-button @click="handleFinish">
+  结束
+</n-button>
+<n-button @click="handleError">
+  报个错
+</n-button>
+```
+```js
+export default {
+  methods: {
+    handleStart() {
+      this.$NLoadingBar.start();
+    },
+    handleFinish() {
+      this.$NLoadingBar.finish();
+    },
+    handleError() {
+      this.$NLoadingBar.error();
+    }
+  }
+};
+```
+```css
+.n-button {
+  margin: 0 12px 8px 0;
+}
+```

demo/documentation/components/loadingBar/zhCN/index.md

@@ -0,0 +1,13 @@
+# Loading Bar 加载条
+焦虑的安慰剂，疗效尚可。
+## 例子
+```demo
+basic
+```
+## API
+### $NLoadingBar
+|方法|介绍|
+|-|-|
+|`start()`||
+|`finish()`||
+|`error()`||