uploadPreview.min.js

/*
*插件作者:周祥
*更新时间:2014年12月12日
*插件介绍:图片上传本地预览插件
*插件网站:http://jquery.decadework.com
*作  者QQ:200592114
*/
var uploadPreview = function(setting) { var _self = this; _self.IsNull = function(value) { if (value == undefined || value == null || value == "" || value.length == 0) { return true }; return false; }; _self.DefautlSetting = { UpBtn: "", DivShow: "", ImgShow: "", Width: 100, Height: 100, ImgType: ["gif", "jpeg", "jpg", "bmp", "png"], ErrMsg: "选择文件错误,图片类型必须是(gif,jpeg,jpg,bmp,png)中的一种", callback: function() {} };
 _self.Setting = { UpBtn: _self.IsNull(setting.UpBtn) ? _self.DefautlSetting.UpBtn : setting.UpBtn, DivShow: _self.IsNull(setting.DivShow) ? _self.DefautlSetting.DivShow : setting.DivShow, ImgShow: _self.IsNull(setting.ImgShow) ? _self.DefautlSetting.ImgShow : setting.ImgShow, Width: _self.IsNull(setting.Width) ? _self.DefautlSetting.Width : setting.Width, Height: _self.IsNull(setting.Height) ? _self.DefautlSetting.Height : setting.Height, ImgType: _self.IsNull(setting.ImgType) ? _self.DefautlSetting.ImgType : setting.ImgType, ErrMsg: _self.IsNull(setting.ErrMsg) ? _self.DefautlSetting.ErrMsg : setting.ErrMsg, callback:setting.callback }; _self.getObjectURL = function(file) { var url = null; if (window.createObjectURL != undefined) { url = window.createObjectURL(file); } else if (window.URL != undefined) { url = window.URL.createObjectURL(file); } else if (window.webkitURL != undefined) { url = window.webkitURL.createObjectURL(file); }; return url; }; _self.Bind = function() {/*leip*/ if(document.getElementById(_self.Setting.UpBtn) !=null){   document.getElementById(_self.Setting.UpBtn).onchange = function() { if (this.value) { if (!RegExp("\.(" + _self.Setting.ImgType.join("|") + ")$", "i").test(this.value.toLowerCase())) { alert(_self.Setting.ErrMsg); this.value = ""; return false }; if (navigator.userAgent.indexOf("MSIE") > -1) { try { document.getElementById(_self.Setting.ImgShow).src = _self.getObjectURL(this.files[0]); } catch (e) { var div = document.getElementById(_self.Setting.DivShow); this.select(); top.parent.document.body.focus(); var src = document.selection.createRange().text; document.selection.empty(); document.getElementById(_self.Setting.ImgShow).style.display = "none"; div.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)"; div.style.width = _self.Setting.Width + "px"; div.style.height = _self.Setting.Height + "px"; div.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = src; } } else { document.getElementById(_self.Setting.ImgShow).src = _self.getObjectURL(this.files[0]); }; _self.Setting.callback(); } } } }; _self.Bind(); }