2023-12-18 18:15:22 +08:00
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# widgetBuild
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函数用于创建bricks框架的控件实例。
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## 语法
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var w = widgetBuild(desc, widget)
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## 参数说明
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### desc
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desc是一个对象类型数据，创建控件参数，必须有"widgettype", "options"属性, 可选属性有"subwidegets"，"binds"
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### widget
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widget是一个控件实例，用于解析desc中出现的url
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## 返回值
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* null 出错，可能1）widgettype类型未注册或不存在；2）json文件格式不对
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* 新创建的控件实体
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## 例子
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tree.json
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```
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{
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"widgettype":"Tree",
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"options":{
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"idField":"id",
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"textField":"text",
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"data":[
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{
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"id":1,
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"text":"node1",
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"is_leaf":false,
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"children":[
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{
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"id":11,
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"text":"node11",
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"is_leaf":false,
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"children":[
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{
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"id":112,
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"text":"node.12",
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"is_leaf":false,
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"children":[
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{
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"id":1112,
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"text":"node1112",
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"is_leaf":true
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},
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{
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"id":1113,
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"text":"node113",
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"is_leaf":true
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}
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]
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},
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{
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"id":113,
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"text":"node113",
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"is_leaf":true
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}
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]
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},
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{
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"id":12,
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"text":"node12",
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"is_leaf":true
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},
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{
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"id":13,
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"text":"node13",
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"is_leaf":true
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}
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]
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},
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{
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"id":2,
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"text":"node2",
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"is_leaf":false,
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"children":[
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{
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"id":21,
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"text":"node21",
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"is_leaf":true
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},
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{
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"id":22,
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"text":"node22",
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"is_leaf":true
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},
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{
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"id":23,
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"text":"node23",
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"is_leaf":true
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}
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]
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},
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{
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"id":3,
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"text":"node3",
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"is_leaf":true
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}
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]
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}
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}
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```
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tree.html
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```
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<html>
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<head>
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<link rel="stylesheet" href="/bricks/css/bricks.css" />
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</head>
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<body>
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<script src="/bricks/bricks.js"></script>
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<script>
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const opts =
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{
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"widget": {
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"widgettype":"urlwidget",
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"options":{
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"url":"tree.json"
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}
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}
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}
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;
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const app = new BricksApp(opts);
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app.run();
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</script>
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</body>
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</html>
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```
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这是一个树形控件， 运行[这里](https://github.com/bricks/examples/tree.html)
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更多的例子请看
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[bricks控件例子](https://github.com/yumoqing/bricks/examples)
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