前言
扩展自$.fn.spinner.defaults和$.fn.numberbox.defaults。使用$.fn.numberspinner.defaults重写默认值对象。下载该插件翻译源码
数字微调控件的创建是基于微调控件和数值输入框控件的。他可以转换输入的值，比如：数值、百分比、货币等。它也允许使用上/下微调按钮调整到用户的期望值
源码
/**
* jQuery EasyUI 1.3.2
*
*翻译：qq 1364386878 数字微调
*/
(function ($) {
//创建
function createNumberspinner(jq) {
$(jq).addClass("numberspinner-f");
var opts = $.data(jq, "numberspinner").options;
$(jq).spinner(opts).numberbox(opts);
};
//在用户点击微调按钮的时候调用的函数。'down'参数对应用户点击的向下按钮
function _spin(jq, down) {
var options = $.data(jq, "numberspinner").options;
var v = parseFloat($(jq).numberbox("getValue") || options.value) || 0;
if (down == true) {
v -= options.increment;
} else {
v += options.increment;
}
$(jq).numberbox("setValue", v);
};
//实例化组件
$.fn.numberspinner = function (target, parm) {
if (typeof target == "string") {
var method = $.fn.numberspinner.methods[target];
if (method) {
return method(this, parm);
} else {
return this.spinner(target, parm);
}
}
target = target || {};
return this.each(function () {
var numberspinner = $.data(this, "numberspinner");
if (numberspinner) {
$.extend(numberspinner.options, target);
} else {
$.data(this, "numberspinner", {
options: $.extend({},
$.fn.numberspinner.defaults,
$.fn.numberspinner.parseOptions(this), target)
});
}
createNumberspinner(this);
});
};
//默认方法
$.fn.numberspinner.methods = {
//返回属性对象
options: function (jq) {
var options = $.data(jq[0], "numberspinner").options;
return $.extend(options, {
value: jq.numberbox("getValue"),
originalValue: jq.numberbox("options").originalValue
});
},
//设置数字微调控件的值
setValue: function (jq, value) {
return jq.each(function () {
$(this).numberbox("setValue", value);
});
},
//获取值
getValue: function (jq) {
return jq.numberbox("getValue");
},
//清空组件值
clear: function (jq) {
return jq.each(function () {
$(this).spinner("clear");
$(this).numberbox("clear");
});
},
//重置组件值
reset: function (jq) {
return jq.each(function () {
var _e = $(this).numberspinner("options");
$(this).numberspinner("setValue", _e.originalValue);
});
}
};
//解析器配置
$.fn.numberspinner.parseOptions = function (target) {
return $.extend({}, $.fn.spinner.parseOptions(target),
$.fn.numberbox.parseOptions(target), {});
};
//默认属性 继承了spinner numberbox的属性和事件
$.fn.numberspinner.defaults = $.extend({}, $.fn.spinner.defaults,
$.fn.numberbox.defaults, {
//在用户点击微调按钮的时候调用的函数。'down'参数对应用户点击的向下按钮
spin: function (down) {
_spin(this, down);
}
});
})(jQuery);
示例代码
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Basic NumberSpinner - jQuery EasyUI Demo</title>
<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
<link rel="stylesheet" type="text/css" href="../demo.css">
<script type="text/javascript" src="../../jquery-1.8.0.min.js"></script>
<script src="../../plugins2/jquery.parser.js"></script>
<script src="../../plugins2/jquery.validatebox.js"></script>
<script src="../../plugins2/jquery.spinner.js"></script>
<script src="../../plugins2/jquery.numberbox.js"></script>
<script src="../../plugins2/jquery.numberspinner.js"></script>
</head>
<body>
<h2>Basic NumberSpinner</h2>
<div class="demo-info">
<div class="demo-tip icon-tip"></div>
<div>Click spinner button to change value.</div>
</div>
<div style="margin:10px 0;"></div>
<input class="easyui-numberspinner" style="width:80px;" data-options="
onChange: function(value){
$('#vv').text(value);
}
"></input>
<div style="margin:10px 0;">
Value: <span id="vv"></span>
</div>
</body>
</html>