Jquery中BlockUI的详解

BlockUI插件需要那个jQuery版本的支持?
BlockUI兼容jQuery v1.2.3以上的版本
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BlockUI插件的V2版本有那些变化?
解除锁定的时候,用于提示信息的元素不会从DOM中移除
默认的遮罩层为黑色
可用的选项设置进行了统一和清理
设置插件选项的方法改变了
放弃了对Opera 8的支持
提高了源代码的可读性
移除了displayBox功能 (其他 plugins会做的更好)
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我的原代码中的blockUI插件与新的2.00版兼容么?
不兼容,如果原代码改变了blockUI的默认属性,那么会出现兼容问题。如何设置选项的语法发生了细微的改变。请查看Options页来了解新版本的选项设置方法。
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BlockUI插件还依赖于其他的插件么?
不依赖
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我如何使用外部样式表来格式化提示信息?
请查看 demo页.
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我可以改变页面锁定时默认的提示信息么?
<wbr><br> 可以。默认的提示信息储存在$.blockUI.defaults.message中。你可以以一个新的值来替换它,例如:<br> $.blockUI.defaults.message = "Please be patient...";</wbr>

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我能够改变遮罩层的颜色和透明度么?

可以。默认的遮罩层样式储存在 $.blockUI.defaults.overlayCSS中。你可以指定一个不同的颜色和透明度,

例如
// 使用黄色遮罩层
$.blockUI.defaults.overlayCSS.backgroundColor = '#ff0';
// 使遮罩层更透明
$.blockUI.defaults.overlayCSS.opacity = '.2';

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BlockUI支持Opera 8么?
不支持
<wbr><br><strong><span style="font-size:20px">在linux的FF上我为什么看不到遮罩层?</span></strong></wbr>

有几个人告诉我,在FF/Linux上整个页面的透明度渲染慢的让人发疯,所以默认情况下,在这些平台上遮罩层不透明。你可以重设applyPlatformOpacityRule<wbr>s值来启用透明度。例如:</wbr>

// 在FF/Linux下启用遮罩层透明$.blockUI.defaults.applyPlatformOpacityRule<wbr>s = false;<br></wbr>

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BlockUI基本使用
<wbr><wbr><wbr><wbr><wbr> // 当有ajax请求时,当加载信息较慢时,会显示该等待信息,带来良好的用户体验<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> $(document).ajaxStart(function () {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> $.blockUI({</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> // $.blockUI.defaults.message = "请稍候";(不写在$.blockUI({})里,写在外面)<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> message: '&lt;span style="font-size:13px;font-weight:bolder"&gt;请稍候&lt;/span&gt;',</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

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<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> // 指的是提示框的css<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> css: {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> width: "45px",<wbr><wbr> // 宽度小一点<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> top: "50%",<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> left: "50%"<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> },</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

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<wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> // 遮光罩的css<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> // 等价$.blockUI.defaults.overlayCSS.backgroundColor = "#E4E7EC";<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> overlayCSS: {<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> backgroundColor: "yellow",<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> opacity:"0.8"<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> }<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr><wbr> });<br><wbr><wbr><wbr><wbr><wbr><wbr><wbr> });</wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>

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下载
新版本的blockUI v2.00可以在这里得到: jquery.blockUI.js.

旧版本的blockUI仍然可以在这里得到: http://jqueryjs.googlecode.com/svn/trunk/plugins/blockUI/jquery.blockUI.js. 旧版本的文档在这里.

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原帖地址:http://www.cssrain.cn/demo/blockUI-V2/jQuery/blockUI/jQueryBlockUI.html

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