docs(basic): 更新 README 文档

- 调整代码示例的缩进和格式，提高可读性
- 新增 RefreshView 组件的使用示例- 更新 SafeView 组件的示例代码
- 优化 HttpHelper 相关代码示例

README.md

@@ -58,11 +58,11 @@ PreferencesHelper.put(StorageKeys.CLIENT_ID, value)
 
 // 获取存储的数据
 PreferencesHelper.get(StorageKeys.CLIENT_ID).then(res => {
-  console.log('>>>>>', res)
+    console.log('>>>>>', res)
 })
 // 删除存储的数据
 PreferencesHelper.delete(StorageKeys.CLIENT_ID).then(() => {
-  console.log('>>>>>')
+    console.log('>>>>>')
 })
 ```
 
@@ -140,8 +140,8 @@ import { XWebHelper } from '@szyx/sdk_base';
 const XWebview = import('../pages/XWebview');
 
 XWebHelper.openWeb({
-  url: 'https://www.baidu.com',
-  title: '百度一下',
+    url: 'https://www.baidu.com',
+    title: '百度一下',
 })
 ```
 
@@ -158,50 +158,50 @@ Component
 struct
 MyView
 {
-  // 控制器，控制开关
-  dialogController: XDialogController = {} as XDialogController
+    // 控制器，控制开关
+    dialogController: XDialogController = {} as XDialogController
 
-  build()
-  {
-    Column()
+    build()
     {
-      Button
-      ({ buttonStyle: ButtonStyleMode.TEXTUAL })
-      {
-        Image($r('sys.media.ohos_ic_public_more'))
-          .width(26).height(26)
-      }
-      .
-      width(65)
-        .onClick(() => {
-          if (this.dialogController != null) {
-            this.dialogController.open()
-          }
-        })
-
-      XDialogList({
-        // 控制器
-        controller: this.dialogController,
-        // 标题(可选)
-        title: '选择您的操作',
-        // 选择内容列表
-        values: ['刷新', '浏览器打开', '分享', '复制地址'],
-        // 用户选择事件
-        onSelected: (index: number, value: string) => {
-          ToolsHelper.showMessage(`用户选择了第${index}个，内容为：${value}`)
-        },
-        // 用户取消事件
-        onCancel: () => {
-          ToolsHelper.showMessage('用户取消操作')
-        },
-        // 是否可取消(点击空白处，或者物理返回键)
-        autoCancel: true
-      })
+        Column()
+        {
+            Button
+            ({ buttonStyle: ButtonStyleMode.TEXTUAL })
+            {
+                Image($r('sys.media.ohos_ic_public_more'))
+                    .width(26).height(26)
+            }
+            .
+            width(65)
+                .onClick(() => {
+                if (this.dialogController != null) {
+                    this.dialogController.open()
+                }
+            })
+
+            XDialogList({
+                // 控制器
+                controller: this.dialogController,
+                // 标题(可选)
+                title: '选择您的操作',
+                // 选择内容列表
+                values: ['刷新', '浏览器打开', '分享', '复制地址'],
+                // 用户选择事件
+                onSelected: (index: number, value: string) => {
+                    ToolsHelper.showMessage(`用户选择了第${index}个，内容为：${value}`)
+                },
+                // 用户取消事件
+                onCancel: () => {
+                    ToolsHelper.showMessage('用户取消操作')
+                },
+                // 是否可取消(点击空白处，或者物理返回键)
+                autoCancel: true
+            })
 
+        }
+        .
+        width('100%').height('100%')
     }
-    .
-    width('100%').height('100%')
-  }
 }
 
 ```
@@ -227,29 +227,29 @@ MyView
 ```typescript
 
 HttpHelper.get()
-  .get<HttpResult<T>>(url.url.startsWith('http') ? url.url : GlobalValue.getInstance().envUrl + url.url,
-    data ? JSON.stringify(data) : undefined, {
-      userId: GlobalValue.getInstance().userIds,
-      clientId: GlobalValue.getInstance().getClientIds(),
-      version: ConstantValue.VERSION,
-      deviceType: '01',
-      timeStamp: timeStamp + '',
-      sign: sign,
-      phoneModel: 'sign',
-      phoneVersion: 'sign',
-      phoneBrand: 'HarmonyOS'
-    }, url.apiNo)
-  .then((res: HttpResult<T>) => {
+    .get<HttpResult<T>>(url.url.startsWith('http') ? url.url : GlobalValue.getInstance().envUrl + url.url,
+                        data ? JSON.stringify(data) : undefined, {
+    userId: GlobalValue.getInstance().userIds,
+    clientId: GlobalValue.getInstance().getClientIds(),
+    version: ConstantValue.VERSION,
+    deviceType: '01',
+    timeStamp: timeStamp + '',
+    sign: sign,
+    phoneModel: 'sign',
+    phoneVersion: 'sign',
+    phoneBrand: 'HarmonyOS'
+}, url.apiNo)
+    .then((res: HttpResult<T>) => {
     if (res.status === '0') {
-      resolve(res.data as T)
+        resolve(res.data as T)
     } else {
-      reject(new Error(res.message))
+        reject(new Error(res.message))
     }
 
-  })
-  .catch((error: Error) => {
+})
+    .catch((error: Error) => {
     reject(error)
-  })
+})
 ```
 
 ### 3.2.postJson
@@ -257,29 +257,29 @@ HttpHelper.get()
 ```typescript
 
 HttpHelper.get()
-  .post<HttpResult<T>>(url.url.startsWith('http') ? url.url : GlobalValue.getInstance().envUrl + url.url,
-    data ? JSON.stringify(data) : undefined, {
-      userId: GlobalValue.getInstance().userIds,
-      clientId: GlobalValue.getInstance().getClientIds(),
-      version: ConstantValue.VERSION,
-      deviceType: '01',
-      timeStamp: timeStamp + '',
-      sign: sign,
-      phoneModel: 'sign',
-      phoneVersion: 'sign',
-      phoneBrand: 'HarmonyOS'
-    }, url.apiNo)
-  .then((res: HttpResult<T>) => {
+    .post<HttpResult<T>>(url.url.startsWith('http') ? url.url : GlobalValue.getInstance().envUrl + url.url,
+                         data ? JSON.stringify(data) : undefined, {
+    userId: GlobalValue.getInstance().userIds,
+    clientId: GlobalValue.getInstance().getClientIds(),
+    version: ConstantValue.VERSION,
+    deviceType: '01',
+    timeStamp: timeStamp + '',
+    sign: sign,
+    phoneModel: 'sign',
+    phoneVersion: 'sign',
+    phoneBrand: 'HarmonyOS'
+}, url.apiNo)
+    .then((res: HttpResult<T>) => {
     if (res.status === '0') {
-      resolve(res.data as T)
+        resolve(res.data as T)
     } else {
-      reject(new Error(res.message))
+        reject(new Error(res.message))
     }
 
-  })
-  .catch((error: Error) => {
+})
+    .catch((error: Error) => {
     reject(error)
-  })
+})
 ```
 
 ## 4.[自定义view](./src/main/ets/view)
@@ -317,22 +317,61 @@ import { SafeView } from '@szyx/sdk_base'
 
 build() {
     SafeView({
-      isLoading: this.isLoading,
-      titleText: '注册',
-      onClickLeft:{img:$r("app.media.base_back"),
-        onClick:()=>{}
-      },
-      onClickRight:{
-        text:'添加',
-        color:'#ff1d9999',
-        onClick:()=>{}
-      }
+        isLoading: this.isLoading,
+        titleText: '注册',
+        onClickLeft:{img:$r("app.media.base_back"),
+                     onClick:()=>{}
+                    },
+        onClickRight:{
+            text:'添加',
+            color:'#ff1d9999',
+            onClick:()=>{}
+        }
     }){
-    // 自己的布局
+        // 自己的布局
     }
 }
 ```
 
+### 4.3.[RefreshView](./src/main/ets/view/RefreshView.ets)
+
+> 下拉刷新，上拉加载更多
+
+```tsx
+import { RefreshView } from '@szyx/sdk_base'
+
+@State isLoading: boolean = false
+
+
+@Builder
+buildItem(item: Item, index: number) {
+    Column() {
+    }
+    .width('100%')
+}
+
+build() {
+    // ......
+    RefreshView({
+        isLoading: this.isLoading,
+        keyGenerator: (item: Item) => {
+            return item.id
+        },
+        pageSize: 10,
+        data: this.list ?? [],
+        customBuilderParam: this.buildItem,
+        onRefresh: () => {
+            this.refresh()
+        },
+        onLoadMore: (pageNum) => {
+            this.refresh(pageNum)
+        }
+    })
+    // ......
+
+}
+```
+
 ## 5.[Windows](./src/main/ets/utils/WindowHelper.ets)
 
 ### 5.1.弹出自定义窗口