jquery 弹出框一些写法问题

mslove

1. 1.<a href="javascript:;"id="test2">confirm</a>
   
2. 2.3.4.<script language="javascript"type="text/javascript">
   
3. 5.$(document).ready(function(){
   
4. 6.     $("#test2").click(function(){
   
5. 7.   new $.layerbox({
   
6. 8.     'type':"confirm",
   
7. 9.     'content':"你确定要删除它吗？",
   
8. 10.     'title':"提示",
   
9. 11.     'onClose':function(n){ alert(n) }
   
10. 12.    })._show();
    
11. 13.  });
    
12. 14.  });
    
13. 15.</script>
    

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1. 1.(function($) {
   
2. 2.$.layerbox = function(settings) {
   
3. 3.var_this = this;
   
4. 4.var_close=$('<span id="layer_close"></span>').click(function(){
   
5. 5._this._remove();
   
6. 6.});
   
7. 7.8._no_btn=$("<button class='layer_no_btn'>取消</button>").click(function(){
   
8. 9._this._remove();
   
9. 10.});
   
10. 11.if(typeof(settings) == 'string') {
    
11. 12.varcontent = settings;
    
12. 13.settings = {content: content};
    
13. 14.}
    
14. 15.16.settings.width = (settings.width || 260) > $('body').width() ? $('body').width() : (settings.width || 260);
    
15. 17.settings.height = (settings.height || 150) > $('body').height() ? $('body').height() : (settings.height || 150);
    
16. 18.settings.title = settings.title || '提示';
    
17. 19.settings.content = settings.content || '谢谢使用提示层，请设置要提示的内容！';
    
18. 20.this.settings = settings;
    
19. 21.22.this.background=$('<div>').css({
    
20. 23.'width': $(window).width() + 'px',
    
21. 24.'height': $(window).height() + 'px'
    
22. 25.}).appendTo('body').addClass('layerop')
    
23. 26.27.this.mainWrapBg=$('<div>').css({
    
24. 28.'width': settings.width+'px',
    
25. 29.'height': settings.height+'px',
    
26. 30.'left': ($(window).width() - settings.width) / 2+ 'px',
    
27. 31.'top': ($(window).height() - settings.height) / 2 -50+ 'px'
    
28. 32.}).appendTo('body').addClass('layerbg')
    
29. 33.34.this.mainWrap=$('<div>').css({
    
30. 35.'width': settings.width-10+'px',
    
31. 36.'height':settings.height-10+'px',
    
32. 37.'left': ($(window).width() - (settings.width-10)) / 2+ 'px',
    
33. 38.'top': ($(window).height() - (settings.height-10)) / 2 -50+ 'px'
    
34. 39.}).appendTo('body').addClass('layerbox')
    
35. 40.41.42.switch(settings['type']){
    
36. 43.case'loading':
    
37. 44.$("<div>", {
    
38. 45."class": "layerloading",
    
39. 46."style":"text-align:center;padding-top:12px",
    
40. 47.html: "<img src='images/layer_loading.gif' style='vertical-align:bottom'/> "+settings['text']
    
41. 48.}).appendTo(".layerbox");
    
42. 49.break;
    
43. 50.case'confirm':
    
44. 51.var_yes_btn=$("<button class='layer_yes_btn'>确定</button>").click(function(){
    
45. 52.53.54.//请问这里应该怎么写  settings.onClose   值会回调  alert(N)   才能运作啊 55.56.57._this._remove();
    
46. 58.});
    
47. 59.this.layerTitle=$('<div>',{text:settings.title}).appendTo('.layerbox').addClass('layerTitle')
    
48. 60.this.layerTitle.append(_close);
    
49. 61.this.layerAlert=$('<div>',{text:settings.content}).appendTo('.layerbox').addClass('layerbox_alert')
    
50. 62.this.layerLayerbtn=$('<div>').appendTo('.layerbox').addClass('layer_btn')
    
51. 63.this.layerLayerbtn.append(_yes_btn);
    
52. 64.break;
    
53. 65.}
    
54. 66.returnthis;
    
55. 67.}
    
56. 68./* prototype domready Preceded by new */
    
57. 69.$.layerbox.prototype = {
    
58. 70._show: function() {
    
59. 71.this.background.show();
    
60. 72.this.mainWrapBg.show();
    
61. 73.returnthis;
    
62. 74.},
    
63. 75._remove: function() {
    
64. 76.$('.layerop,.layerbg,.layerbox').remove()
    
65. 77.returnthis;
    
66. 78.}
    
67. 79.}
    
68. 80.81.})(jQuery);
    

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就跟一些弹出框一样，点击确定或取消会做一些动作，这里的TRUE   FALSE  是怎么被传回的啊