jQuery Raty星级评分插件使用方法实例分析

本文实例讲述了jQuery Raty星级评分插件使用方法。分享给大家供大家参考，具体如下：

使用jQuery Raty，可以很方便的在页面上嵌入一个评分组件，如下所示：

使用方法很简单，首先从https://github.com/wbotelhos/raty下载raty的源代码（依赖于jquery）

然后在页面中引入相应的js文件、css文件、图片资源，在需要添加评分组件的元素上（比如span标签）添加下面的jquery代码即可：

$('span').raty();

以上为jQuery Raty的缺省使用方法，此外，该组件还支持丰富的传入参数和回调函数，例如：

设置jQuery Raty的初始评分：

评分回调函数

如果需要根据后台动态设置初始评分，可以使用回调函数实现。例如使用div中的data-attribute属性：

<div data-score="1"></div>

$('div').raty({
 score: function() {
  return $(this).attr('data-score');
 }
});

还可以改变星星的个数：

$('div').raty({ number: 10 });

只读模式：

$('div').raty({ readOnly: true, score: 3 });

点击事件：

$('div').raty({
 click: function(score, evt) {
  alert('ID: ' + this.id + "\nscore: " + score + "\nevent: " + evt);
 }
});

路径：

变更图标保存的位置，所有图标需要位于同一目录下，路径结尾的/不添加也可以

<div data-path="assets/images"></div>

$('div').raty({
 path: function() {
  return this.getAttribute('data-path');
 }
});

取消评分：

$('div').raty({ cancel: true });

全局改变设置：

你可以全局更改上述提到的所有设置 $.fn.raty.defaults.OPTION = VALUE;. 该语句必须添加在插件绑定之前。

$.fn.raty.defaults.path = assets;
$.fn.raty.defaults.cancel = true;

参数列表：

cancel   : false                     // Creates a cancel button to cancel the rating.
cancelClass : 'raty-cancel'                 // Name of cancel's class.
cancelHint : 'Cancel this rating!'             // The cancel's button hint.
cancelOff  : 'cancel-off.png'                // Icon used on active cancel.
cancelOn  : 'cancel-on.png'                // Icon used inactive cancel.
cancelPlace : 'left'                     // Cancel's button position.
click    : undefined                   // Callback executed on rating click.
half    : false                     // Enables half star selection.
halfShow  : true                      // Enables half star display.
hints    : ['bad', 'poor', 'regular', 'good', 'gorgeous'] // Hints used on each star.
iconRange  : undefined                   // Object list with position and icon on and off to do a mixed icons.
mouseout  : undefined                   // Callback executed on mouseout.
mouseover  : undefined                   // Callback executed on mouseover.
noRatedMsg : 'Not rated yet!'                // Hint for no rated elements when it's readOnly.
number   : 5                       // Number of stars that will be presented.
numberMax  : 20                       // Max of star the option number can creates.
path    : undefined                   // A global locate where the icon will be looked.
precision  : false                     // Enables the selection of a precision score.
readOnly  : false                     // Turns the rating read-only.
round    : { down: .25, full: .6, up: .76 }        // Included values attributes to do the score round math.
score    : undefined                   // Initial rating.
scoreName  : 'score'                    // Name of the hidden field that holds the score value.
single   : false                     // Enables just a single star selection.
space    : true                      // Puts space between the icons.
starHalf  : 'star-half.png'                // The name of the half star image.
starOff   : 'star-off.png'                 // Name of the star image off.
starOn   : 'star-on.png'                 // Name of the star image on.
target   : undefined                   // Element selector where the score will be displayed.
targetFormat: '{score}'                   // Template to interpolate the score in.
targetKeep : false                     // If the last rating value will be keeped after mouseout.
targetScore : undefined                   // Element selector where the score will be filled, instead of creating a new hidden field (scoreName option).
targetText : ''                       // Default text setted on target.
targetType : 'hint'                     // Option to choose if target will receive hint o 'score' type.
starType  : 'img'                     // Element used to represent a star.

回调函数列表：

$('div').raty('score');         // Get the current score.
$('div').raty('score', number);     // Set the score.
$('div').raty('click', number);     // Click on some star.
$('div').raty('readOnly', boolean);   // Change the read-only state.
$('div').raty('cancel', boolean);    // Cancel the rating. The last param force the click callback.
$('div').raty('reload');         // Reload the rating with the current configuration.
$('div').raty('set', { option: value }); // Reset the rating with new configurations.
$('div').raty('destroy');        // Destroy the bind and give you the raw element.
$('div').raty('move', number);      // Move the mouse to the given score point position.

希望本文所述对大家jQuery程序设计有所帮助。