srcminiPolymerjs 纸复选框是用于选中或取消选中它的复选框。通常, 复选框用于从集中选择多个选项。要在目录中找到paper-checkbox, 应在命令提示符下使用以下命令。
bower install --save PolymerElements/paper-checkbox
例子
创建一个index.html文件, 并在其中添加以下代码, 以查看Polymer.js中paper-checkbox元素的使用。
<!doctype html>
<html>
<head>
<link rel = 'import' href = 'my-app.html'>
</head>
<body>
<h2>Paper-Card Example</h2>
<my-app></my-app>
</body>
</html>现在, 打开my-app.html文件, 并在其中包含以下代码。
<link rel = 'import' href = 'bower_components/polymer/polymer.html'>
<link rel = "import" href = "bower_components/paper-button/paper-button.html">
<link rel = "import" href = "bower_components/paper-styles/paper-styles.html">
<link rel = "import" href = "bower_components/paper-card/paper-card.html">
<link rel = "import" href = "bower_components/iron-icons/iron-icons.html">
<link rel = "import" href = "bower_components/iron-icons/communication-icons.html">
<link rel = "import" href = "bower_components/paper-checkbox/paper-checkbox.html">
<dom-module id = 'my-app'>
<template>
<style is = "custom-style">
paper-checkbox {
font-family: 'Roboto', sans-serif;
margin: 24px;
}
paper-checkbox.styled {
align-self: center;
border: 1px solid var(--paper-green-200);
padding: 8px 16px;
--paper-checkbox-checked-color: var(--paper-green-500);
--paper-checkbox-checked-ink-color: var(--paper-green-500);
--paper-checkbox-unchecked-color: var(--paper-green-900);
--paper-checkbox-unchecked-ink-color: var(--paper-green-900);
--paper-checkbox-label-color: var(--paper-green-500);
--paper-checkbox-label-spacing: 0;
--paper-checkbox-margin: 8px 16px 8px 0;
--paper-checkbox-vertical-align: top;
}
</style>
<paper-checkbox class = "styled">
Checkbox With a long label
</paper-checkbox>
<paper-checkbox disabled>Disabled</paper-checkbox>
</template>
<script>
Polymer ({
is: 'my-app', ready: function() {
this.async(function() {
});
}
});
</script>
</dom-module>输出
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