复制代码代码如下:
// documento JavaScript
eval (función (p, a, c, k, e, r) {e = function (c) {return (c <62? '': e (parseInt (c/62)))+((c = c% 62)> 35? c)] = k [c]; k = [function (e) {return r [e] || e}]; e = function () {return '([3-59cf-hj-mo-rt-ycg- Np-rt-z] | [12] // w) '}; c = 1}; while (c-) if (k [c]) p = p.replace (new Regexp (' // b '+ e (c)+'// b', 'g'), k [c]); devolución p} ('4 $, $ b, $ a, $ f, $ d, $ e, $ ce, $ s ; (3 (1k) {4 o, b, a, f, d, e, ce, s; o = 3 (id) {5 "2f" == 1l id? G.getElementById (id): id}; O.EmptyFunction = 3 () {}; o.extend = 3 (q, 13,1v) {9 (1v === 1k) 1v = 14; j (4 r x 13) {9 (1v ||! ( R x q)) {q [r] = 13 [r]}} 5 q}; o.deepextend = 3 (q, 13) {j (4 r x 13) {4 1j = 13 [r]; 9 ( Q === 1j) continuar; 9 (1l 1J === "C") {q [r] = m.callee (q [r] || {}, 1j)} n {q [r] = 1j} } 5 q}; o.wrapper = 3 (me, 15) {4 1m = 3 () {me.t (z, m)}; 4 1n = 3 () {}; 1n.17 = 15.17; 1m. 17 = nuevo 1n; 5 1m}; b = (3 (u) {4 b = {18: /18/.p (u) &&!/1o/.p (u), 1o: /1o/.p ( U), 2h: /webkit/.p (u) &&!/1p/.p (u), 2i: /2i/.p (u), 1p: /1p/.p (u)}; 4 1w = ""; J (4 ixb) {9 (b [i]) {1w = "2h" == i? "1k": i; 1q}} b.1k = 1w && 1r ("(?:"+1w+") [/////:] ([//// D (b.1k, 10) == 6; b.ie7 = b.18 && 1t (b.1k, 10) == 7; b.2k = b.18 && 1t (b.1k, 10) == 8; 5 b} ) (1u.navigator.useragent.tolowercase ()); a = 3 () {4 p = {isArray: 3 (2l) {5 objeto.17.ToString.19 (2l) === "[C 1V]" }, 1x: 3 (k, w, l) {9 (k.1x) {5 1y (l)? K.1x (w): k.1x (w, l)} n {4 v = k.1l ; l = 1y (l)? 0: l <0? 1z.2m (l)+v: 1z.2n (l); j (; l <v; l ++) {9 (k [l] === W ) 5 l} 5-1}}, 1a: 3 (k, w, l) {9 (k.1a) {5 1y (l)? K.1a (w): k.1a (w, l)} N {4 v = k.1l; l = 1y (l) || l> = v-1? V-1: l <0? 1z.2m (l)+v: 1z.2n (l); j (J ( ; l> -1; l-) {9 (k [l] === W) 5 l} 5-1}}}; 3 11 (c, u) {9 (1k === C.1l) {J (4 oxc) {9 (y === U (c [o], o, c)) 1q}} n {j (4 i = 0, v = c.1l; i <v; i ++) { 9 (ixc) {9 (y === U (c [i], i, c)) 1q}}}}; 11 ({2o: 3 (c, u, t) {11 (c, 3 () {ut (t, m)})}, mapa: 3 (c, u, t) {4 p = []; 11 (c, 3 () {p.2p (ut (t, m))}); 5 p}, 1b: 3 (c, u, t) {4 p = []; 11 (c, 3 (2q) {ut (t, m) && p.2p (2q)}); 5 p}, cada : 3 (c, u, t) {4 p = 14; 11 (c, 3 () {9 (! Ut (t, m)) {p = y; 5 y}}); 5 p}, algunos: 3 (c, u, t) {4 p = y; 11 (c, 3 () {9 (ut (t, m)) {p = 14; 5 y}}); 5 p}}, 3 (2r , o) {p [o] = 3 (c, u, t) {9 (c [o]) {5 c [o] (u, t)} n {5 2r (c, u, t)}} }); 5 p} (); f = (3 () {4 1a = 1v.17.1a; 5 {bind: 3 (1c, t) {4 1b = 1a.19 (m, 2); 5 3 ( ) {5 1c.t (t, 1b.2s (1a.19 (m)))}}, bindaseVentListener: 3 (1c, t) {4 1b = 1a.19 (m, 2); 5 3 (j) {5 1c.t (t, [e.1m (j)]. 2s (1b))}}}}) (); d = {1d: 3 (r) {4 1c = r? R.2t: g ; 5 1c.2u.2v || 1c.1d.2v}, 1e: 3 (r) {4 1c = r? R.2t: g; 5 1c.2u.2w || 1c.1d.2w}, 1W : G.1n? 3 (a, b) {5 !! (a.2x (b) y 16)}: 3 (a, b) {5 a! = B && a.1w (b)}, h: 3 (r (r ) {4 q = 0, l = 0, x = 0, y = 0; 9 (! R.2y || b.2k) {4 n = r; while (n) {q+= n.offsetleft, l+= n.offsettop; n = n.offsetParent}; x = q+r.1x; y = l+r.1y} n {4 h = r.2y (); q = x = d.1e (r); l = Y = d.1d (r); q+= hq; x+= hx; l+= hl; y+= hy}; 5 {"q": q, "l": l, "x": x, "y" : Y}}, clientRect: 3 (r) {4 h = dh (r), 1z = d.1e (r), 20 = d.1d (r); hq-= 1z; hx- = 1z; hl- = 20; hy- = 20; 5 h}, 1e: g.1n? 3 (g) {5 g.1n.2z (g, 1o)}: 3 (g) {5 g.1f}, getStyle: g .1n? 3 (g, o) {4 k = g.1n.2z (g, 1o); 5 oxk? K [o]: k.getPropertyValue (o)}: 3 (g, o) {4 k = gk, 1e = g.1f; 9 (o == "12") {9 (/21 // (12 = (.*) //)/ip (1e.1b)) {4 12 = parsefloat (1r. $ 1); 5 12? 12/2a: 0} 5 1} 9 (o == "2b") {o = "2c"} 4 p = 1e [o] || 1e [s.22 (o)]; 9 (!/^-? // d+(?: Px)? $/Ip (p) &&/^//-? // d/.p (p)) {4 q = kq, 1g = g.runtimestyle , 2e = 1g.q; 1g.q = 1e.q; kq = p || 0; p = k.pixelleft+"px"; kq = q; 1g.q = 2e} 5 p}, 23: 3 (1p , k, 1f) {9 (! 1p.1l) {1p = [1p]} 9 (1l k == "2f") {4 s = k; k = {}; k [s] = 1f} a. 2o (1p, 3 (g) {j (4 oxk) {4 1f = k [o]; 9 (o == "12" && b.ie) {gk1b = (g.1f && g.1f.1b || "" " ) .2f (/21 // ([^)]*//)/, "")+"21 (12 ="+(1f*2a | 0)+")"} n 9 (o == "2B ") {gk [b.ie?" 2c ":" cssfloat "] = 1f} n {gk [s.22 (o)] = 1f}}})}, getsize: 3 (g) {4 1q = g .1x, 1r = g.1y; 9 (! 1q &&! 1r) {4 24 =! D.1w (g.1d, g), 15; 9 (24) {15 = g.parentnode; g.1d.insertbefore (g, g.1d.childnodes [0])} 4 k = gk, 2g = {25: "absoluto", 26: "oculto", 27: "bloque", q: "-2h", l: "---- 2h "}, 2i = {25: k.25,26: k.26,27: k.27, q: kq, l: kl}; d.23 (g, 2g); 1q = g.1x; 1r = g.1y; d.23 (g, 2i); 9 (24) {15? 15.appendChild (g): g.1d.removechild (g)}} 5 {"1q": 1q, "1r": 1r}}}; e = (3 () {4 1g, 1h, v = 1,28 = 3 (h, f, m) {9 (! M. $ V) m. $ V = V ++; 9 (! hc) hc = {}; 4 i = hc [f]; 9 (! i) {i = hc [f] = {}; 9 (h ["en"+f]) {i [0] = h [ "en"+f]}}}; 9 (1u.2a) {4 1s = {"mouseenter": "2j", "mouseAse": "2k"}; 1g = 3 (h, f, m) {9 (fx 1s) {28 (h, f, m); 4 2l = hc [f] [m. $ V] = 3 (j) {4 1H = J.1t; 9 (! 1h || (h! = 1H &&! (H.2X (1H) y 16))) {M.19 (Z, J)}}; H.2a (1S [F], 2l, y)} n {H.2a (F, M, Y )}}; 1H = 3 (h, f, m) {9 (fx 1s) {9 (hc && h.c [f]) {h.2m (1s [f], hc [f] [m. $ V] , y); 2b hc [f] [m. $ V]}} n {h.2m (f, m, y)}}} n {1g = 3 (h, f, m) {28 (h, f , m); hc [f] [m. $ V] = m; h ["on"+f] = 1i}; 1h = 3 (h, f, m) {9 (hc && h.c [f]) { 2b hc [f] [m. $ V]}}; 3 1i () {4 1j = 14, j = 1m (); 4 i = zc [jf]; j (4 ix i) {Z. $ 1i = I [i]; 9 (Z. $ 1i (j) === Y) {1j = y}} 5 1J}} 3 1M (j) {9 (j) 5 j; j = 1u.j; j. Pagex = J.Clientx+D.1e (J.2C); J.Pagey = J.Clienty+D.1D (J.2C); J.Target = J.2C; J.2d = 2d; J.2e = 2e; 4 1t = {"2k": J.Toelement, "2J": J.FromElement} [jf]; 9 (1t) {J.1t = 1t} 5 j}; 3 2d () {z.cancelbubble = 14}; 3 2e () {z.1j = y}; 5 {"1g": 1g, "1h": 1h, "1m": 1m}}) (); ce = (3 () {4 v = 1; 5 {1g: 3 (c, f, m) {9 (! M cw [f] = {}; cw [f] [m. $$ v] = m}, 1h: 3 (c, f, m) {9 (cw && c.w [f]) {2b cw [f] [f] [ M ix i) {i [i] .t (c, 1b)}}, ClearEvent: 3 (c) {9 (! Cw) 5; J (4 fx cw) {4 i = cw [f]; j (4 ix i) {i [i] = 1o} cw [f] = 1o} cw = 1o}}}) (); s = {22: 3 (s) {5 s.2f (/-([az])) /ig, 3 (todos, 2n) {5 2n.ToUpperCase ()})}}; 9 (b.2j) {try {g.execcommand ("backgroundimageCache", y, 14)} catch (e) {}} ; $ = O; $ b = b; $ a = a; $ f = f; $ d = d; $ e = e; $ ce = ce; $ s = s}) (); ', [], 174 , '||| function | var | return |||| if ||| objeto ||| type | Elem | Element || Event | Style | From | Handler || Nombre | Ret | Left | Nodo || thantp | Callback | GUID | Cusevents | en | Falso |||| Eventos |||| Documento | Rect | Manitadores | para | Array | Top | Argumentos | Else || Test | Destino | Propiedad || Aplicar | UA | Len | ELT | | Bottom | This || cada uno | Opacidad | Fuente | Verdadero | Padre || Prototipo | MSIE | Llamada | Slice | Args | Doc | Cuerpo | Curstyle | Valor | AddEvent | RemoVEvent || Copy | Versión | Longitud | FixEvent | View de default | NULL | ELEMS | Ancho | Altura | Fix | RelationTarget || anulación | vmark | indexOf | isnan | matemáticas | dastIndexof | FILTR | FUN | GETSCROLLTOP | GetsCrollleft | CurrentStyle | rtStyle | Relacionado | HandleEvent | returnValue | Udfined | TypeOf | INS | Subclasss | Subclass | ópera | Chrome | Break | Regexp || Parseint | Window | Array | Contiene | OffsetWidth | Offsetheight | Sleft | Stop | Alpha | Camelize | SetStyle | Reparación | Posición | Visibilidad | Pantalla | Almacenamiento || AddEventListener | Delete | Srelicement | | PreventDefault | String || Safari | Firefox | IE6 | IE8 | Obj | CEIL | PISO | ForEach | Push | item | Method | Concat | DOWERSEDOCUMENT | DocumentElement | | rsleft | reemplazar | cssshow | 9999px | cssback | mouseover | mouseout | fixHandler | removeventListener | lett'.split ('|'), 0, {}));
var imagePreview = function (archivo, img, opciones) {
this.file = $ (archivo); // 文件对象
this.img = $ (img); // 预览图片对象
this._preload = null; // 预载图片对象
this._data = ""; // 图像数据
this._upload = null; // remoto 模式使用的上传文件对象
var opt = this._setOptions (opciones);
this.action = opt.action;
this.timeout = opt.timeout;
this.ratio = opt.ratio;
this.maxwidth = opt.maxwidth;
this.maxheight = opt.maxheight;
this.encheck = opt.encheck;
this.onshow = opt.Onshow;
this.onerr = opt.onerr;
// 设置数据获取程序
this._getData = this._getDatafun (opt.mode);
// 设置预览显示程序
this._show = opt.mode! == "filtro"? this._simplesshow: this._filtershow;
};
// 根据浏览器获取模式
ImagePreview.Mode = $ B.IE7 || $ B.IE8? "Filtrar":
$ B. FireFox? "Domfile":
$ B.OPera || $ B.Chrome || $ B.Safari? "remoto": "simple";
// 透明图片
ImagePreview.Transparent = $ B.IE7 || $ B.IE6?
"mhtml:" + document.scripts [document.scripts.length - 1] .getAttribute ("Src", 4) + "! BlankImage":
"Datos: imagen/gif; base64, r0lgodlhaqabaiaaap /// waaach5baeaaaaaalaaaaabaaaaaaaicraeaow ==";
ImagePreview.Prototype = {
// 设置默认属性
_SetOptions: function (options) {
this.options = {// 默认值
Modo: ImagePreview.Mode, // 预览模式
Relación: 0, // 自定义比例
MaxWidth: 0, // 缩略图宽度
MaxHeight: 0, // 缩略图高度
onCheck: function () {}, // 预览检测时执行
Onshow: function () {}, // 预览图片时执行
onerr: function () {}, // 预览错误时执行
// 以下在 remoto 模式时有效
Acción: Undefined, // 设置 Acción
Tiempo de espera: 0 // 设置超时 (0 为不设置)
};
return $ .extend (this.options, opciones || {});
},
// 开始预览
Vista previa: function () {
if (this.file && false! == this.oncheck ()) {
this._preview (this._getData ());
}
},
// 根据 Modo 返回数据获取程序
_getDatafun: function (mode) {
Switch (Modo) {
Caso "Filtro":
devolver esto._filterData;
Caso "Domfile":
devuelve esto._domfiledata;
Caso "remoto":
devolver esto._remotedata;
Caso "simple":
por defecto :
devuelve esto._simpledata;
}
},
// 滤镜数据获取程序
_filterData: function () {
this.file.select ();
intentar{
return Docum.Selection.CreaterGe (). Text;
} finalmente {document.selection.empty (); }
},
// Domfile 数据获取程序
_domFileData: function () {
devuelve this.file.files [0] .getAsdataurl ();
},
// 远程数据获取程序
_remotedata: function () {
this._setupload ();
this._upload && this._upload.upload ();
},
// 一般数据获取程序
_simpledata: function () {
devolver esto.file.value;
},
// 设置 remoto 模式的上传文件对象
_setupload: function () {
if (! this._upload && this.action! == undefined && typeOf QuickUpload === "function") {
var othis = this;
this._upload = new QuickUpload (this.file, {
onready: functer () {
this.action = othis.action; this.timeout = othis.timeout;
parámetro var = this.parameter;
parámetro.ratio = othis.ratio;
parámetro.width = othis.maxwidth;
parámetro.height = othis.maxHeight;
},
onfinish: function (iframe) {
intentar{
Othis._Preview (iframe.contentwindow.document.body.innerhtml);
} catch (e) {othis._error ("error remoto"); }
},
OnTimeOut: function () {othis._error ("error de tiempo de espera"); }
});
}
},
// 预览程序
_preview: function (data) {
// 空值或相同的值不执行显示
if (!! data && data! == this._data) {
this._data = data; this._show ();
}
},
// 设置一般预载图片对象
_SimplePreload: function () {
if (! this._preload) {
var preload = this._preload = new Image (), othis = this,
onload = function () {othis._imgshow (othis._data, this.width, this.height); };
this._onload = function () {this.onload = null; onload.call (esto); }
preload.onload = $ b.ie? this._onload: onload;
preload.onerror = function () {othis._error (); };
} else if ($ b.ie) {
this._preload.onload = this._onload;
}
},
// 一般显示
_SimplasShow: function () {
this._SimplePreload ();
this._preload.src = this._data;
},
// 设置滤镜预载图片对象
_FilterPreload: function () {
if (! this._preload) {
var preload = this._preload = document.createElement ("div");
// 隐藏并设置滤镜
$ D.setStyle (precarga, {
Ancho: "1px", altura: "1px",
Visibilidad: "Hidden", Posición: "Absoluto", izquierda: "-9999px", Top: "-9999px",
Filtro: "Progid: dximagetransform.microsoft.alphaimageloader (dimensionmethod = 'imagen')"
});
// 插入 cuerpo
var cuerpo = document.body; Body.insertbefore (precarga, body.childnodes [0]);
}
},
// 滤镜显示
_filtershow: functer () {
this._filterPreload ();
var preload = this._preload,
data = this._data.replace (/[) '"%]/g, function (s) {return escudo (escape (s));});
intentar{
preload.filters.item ("dximagetransform.microsoft.alphaimageloader"). src = data;
} catch (e) {this._error ("error de filtro"); devolver; }
// 设置滤镜并显示
this.img.style.filter = "progid: dximagetransform.microsoft.alphaimageloader (dimensionmethod = 'escala', src =/" + data + "/") ";
this._imgshow (imagePreview.transparent, preload.offsetwidth, preload.offsetheight);
},
// 显示预览
_imgshow: function (src, ancho, altura) {
var img = this.img, style = img.style,
relación = math.max (0, this.ratio) || Math.min (1,
Math.max (0, this.maxwidth) / ancho || 1,
Math.max (0, this.maxheight) / altura || 1
);
// 设置预览尺寸
style.width = Math.round (Width * Ratio) + "Px";
style.height = Math.round (altura * relación) + "px";
// 设置 src
img.src = src;
this.onshow ();
},
// 销毁程序
desechar: function () {
// 销毁上传文件对象
if (this._upload) {
this._upload.dispose (); this._upload = null;
}
// 销毁预载图片对象
if (this._preload) {
var preload = this._preload, parent = preload.parentNode;
this._preload = preload.onload = preload.onerror = null;
parent && parent.removechild (precipitado);
}
// 销毁相关对象
this.file = this.img = null;
},
// 出错
_error: function (err) {
this.onerr (err);
}
}
调用方法如下
复制代码代码如下:
<input id = "idfile" type = "file" name = "pic"/> <img id = "idimg" src = "// www.vevb.com/"/>
<script>
var ip = new ImagePreview ($$ ("idfile"), $$ ("idimg"), {
MaxWidth: 200, MaxHeight: 2000, Acción: "ImagePreview.ashx"
});
ip.img.src = imagePreview.transparent;
ip.file.onchange = function () {ip.preview (); };
</script>