给页面添加遮罩和loading图标

这里有两个层,一个loading层,一个overlay遮罩层。 然后需要用css来调整样式。

js代码:

function form_submit_overlay_loading(){
    var loading = '<div id="form-submit-loading">';
    loading += '<img src="图片路径" />';
    loading += '</div>';
    return loading;
}
 
var loading = form_submit_overlay_loading();
$('body').append(loading);
 
$('body').append('<div id="form-submit-overlay" style="width: ' + $(document).width() + 'px; height: ' + $(document).height() + 'px;"></div>');
var width = 100;
var height = 100;
var left = ($(window).width() / 2) - (width / 2) + $(document).scrollLeft();
var top = ($(window).height() / 2) - (height / 2) + $(document).scrollTop();
$("#form-submit-loading").css("top", top+"px").css("left",left+"px").css("display",'block');

css代码:

#form-submit-overlay{
    position: absolute;
    z-index: 8;  
    background: #fff;
    top: 0;
    opacity: 0.6; 
}
#form-submit-loading{
    text-align: left;
    position: absolute;
}


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转载自blog.csdn.net/Eos0422/article/details/8514283