复制代码代码如下::
// JavaScript -Dokument
Eval (Funktion (p, a, c, k, e, r) {e = Funktion (c) {return (c <62? '': e (ParseInt (C/62)))+((c = c% 62)> 35? String.FromCharCode (C+29): C.ToString (36))}; if ('0'.replace (0, e) == 0) {while (c-) r [e (e (e c)] = k [c]; k = [Funktion (e) {return r [e] || e}]; e = function () {return '([3-59cf-hj-mo-rt-ycg- Np-rt-z] | [12] // w) '}; e (c)+'// b', 'g'), k [c]); return 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) Fortsetzung; } 5 q}; o.wrapper = 3 (me, 15) {4 1m = 3 () {me.t (z, m)}; 4 1n = 3 () {}; 1n.17 = 15.17; 1M. 17 = neu 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.I7 = B.18 && 1T (b.1k, 10) == 7; b.2k = b.18 && 1t (b.1k, 10) == 8; 5 B} ) (1U.Navigator.Useragent.tolowerCase ()); }, 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 ((() ; 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)})}, map: 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}, jeder jeder : 3 (c, u, t) {4 p = 14; 11 (c, 3 () {9 (! Ut (t, m)) {p = y; 5 y}}); 5 p}, einige: 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? : G.1n? 3 (a, b) {5 !! (A.2x (b) & 16)}: 3 (a, b) {5 a! = B && a.1w (b)}, h: 3 (r ) {4 q = 0, l = 0, x = 0, y = 0; 9 (! R.2y || b.2k) {4 n = r; wob 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; $ 1); 5 12? 12/2a: 0} 5 1} 9 (o == "2B") {o = "2c"} 4 p = 1e [o] || 1e [S.22 (o)]; 9 (!/^-? // d+(?: px)? , 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; (G, G.1d.Childnodes [0])} 4 k = gk, 2g = {25: "Absolute", 26: "Hidden", 27: "Block", 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); 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 ["on"+f]) {i [0] = h [ "on"+f]}}}; (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) & 16)) {M.19 (z, j)}}; )}}; 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); 2E; 4 1T = {"2K": J.Toelement, "2J": J. FROMELement} [jf]; 9 (1t) {J.1t = 1T} 5 J}; 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. $$ v) m. $$ v = v ++; 9 (! CW) cw = {}; CW [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 (all, 2n) {5 2n.toUppercase ()})}}; ; $ = O; $ b = b; $ a = a; $ f = f; $ d = d; $ e = e; $ CE = CE; $ s = s}) (); ', [], 174 , '||| Funktion | var | return |||| if ||| Objekt ||| Typ | Elem | Element || Ereignis | Stil | From | Handler || Name | ret | links | Node || thisp | Callback | GUID | CuseVents | in | False |||| Ereignisse |||| Dokument | RECHT | Handler | für | Array | Top | Argumente | | | | TEST | Ziel | Eigenschaft || ua | len | elt | rechts | unten | this || jeweils | opacity | Quelle | true | übergeordnet || prototyp | msie | call | slice | args | doc | körper | NULL | Elems | Breite | Höhe | Fix | RelatedTarget || Override | vmark | indexof | isnan | math | lastIndexof | filter | Fun | GetCrolltop | GetCrollLeft | currentStyle | | Opera | Chrom | Break | Regexp || ParseInT | Fenster | Array | Enthält | Offsetwidth | Offseteight | Sleft | Stopp | Alpha | Camelize | setStyle | Reparatur | Position | Sichtbarkeit | Anzeige | Speicher addEventListener | Srcelement | STOPPOPAGION | PREVEDDEFAULT | STRING || Safari | Firefox | IE6 | IE8 | Obj | Ceil | Floor | foreach | Push | Element | Methode | concat | InhaberDocument | documentElement | scrolltop | scrollLeft | partocumentPosition | | rsleft | ersetzen | cssshow | 9999px | cssback | mouseover | mouseout | fixHandler | remorEventListener | Letter'.Split ('|'), 0, {{}));
var ImagePreview = Funktion (Datei, IMG, Optionen) {
this.file = $ (Datei); // 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; // remote 模式使用的上传文件对象
var opt = this._SetOptions (Optionen);
this.action = opt.Action;
this.timeout = opt.timeout;
this.Ratio = opt.Ratio;
this.maxwidth = opt.maxwidth;
this.maxHeight = opt.maxHeight;
this.oncheck = opt.oncheck;
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! == "filter"? this._simpleshow: this._filtershow;
};
// 根据浏览器获取模式
ImagePreview.mode = $ b.ie7 || $ B.ie8? "Filter":
$ B.firefox? "Domfile":
$ B.Opera || $ B.chrome || $ B.Safari? "Remote": "Einfach";
// 透明图片
ImagePreview.transparent = $ b.ie7 || $ B.ie6?
"MHTML:" + document.scripts [document.scripts.length - 1] .getAttribute ("Src", 4) + "! Blankimage":
"Daten: Image/gif; Base64, r0lgodlhaqabaiaaap /// Waaach5baaaaaaaaaaaaaaaaaaaicraeaow ==";
ImagePreview.Prototype = {
// 设置默认属性
_SetOptions: Funktion (Optionen) {
this.options = {// 默认值
Modus: ImagePreview.mode, // 预览模式
Verhältnis: 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 Remote 模式时有效
Aktion: undefiniert, // 设置 Aktion
Auszeit: 0 // 设置超时 (0 为不设置)
};
$ .extend zurückgeben (this.options, Optionen || {});
},
// 开始预览
Vorschau: function () {
if (this.file && false! == this.oncheck ()) {
this._preview (this._getData ());
}
},
// 根据 Modus 返回数据获取程序
_getDatafun: function (modus) {
Switch (Modus) {
Fall "Filter":
return this._filterdata;
Fall "Domfile":
Gibt dies zurück._DomFiledata;
Fall "Remote":
Gibt dies zurück._Remotedata;
Fall "einfach":
Standard :
zurückgeben._Simpledata;
}
},
// 滤镜数据获取程序
_FilterData: function () {
this.file.select ();
versuchen{
return document.Selection.Createrange (). Text;
} endlich {document.Selection.empty (); }
},
// Domfile 数据获取程序
_domFiledata: function () {
return 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 () {
kehre diese. -file.Value zurück;
},
// 设置 Remote 模式的上传文件对象
_setUpload: function () {
if (! this._Upload && this.action!
var othis = this;
this._Upload = new QuickUpload (this.file, {
onReady: function () {
this.action = othis.Action; this.timeout = othis.timeout;
var parameter = this.Parameter;
Parameter.Ratio = othis.Ratio;
parameter.width = othis.maxwidth;
Parameter.Height = othis.maxHeight;
},
onfinish: function (iframe) {
versuchen{
othis._preview (iframe.contentWindow.document.body.innerhtml);
} catch (e) {othis._error ("Remote error"); }
},
Ontimeout: function () {othis._error ("Timeout -Fehler"); }
});
}
},
// 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 = Daten; 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 (this); }
PREPLOAD.ONLOAD = $ B.IE? this._onload: onload;
preload.onError = function () {othis._error (); };
} else if ($ b.ie) {
this._preload.onload = this._onload;
}
},
// 一般显示
_Simpleshow: 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 (Vorspannung, {
Breite: "1px", Höhe: "1px",
Sichtbarkeit: "Hidden", Position: "Absolute", links: "-9999px", oben: "-9999px",
Filter: "Progid: DimaMagetRansform.Microsoft.Alphaimageloader (DizetMethod = 'Image')"
});
// 插入 Körper
var body = document.body; Body.InsertBefore (Vorspannung, Körper.Childnodes [0]);
}
},
// 滤镜显示
_Filtershow: function () {
this._filterpreload ();
var preload = this._preload,
Data = this._data.replace (/[) '"%]/g, Funktion (s) {return Escape (Escape (s));});
versuchen{
preload.Filters.Item ("DimaMagetransform.Microsoft.Alphaimageloader"). Src = Daten;
} catch (e) {this._error ("Filterfehler"); zurückkehren; }
// 设置滤镜并显示
this.img.style.filter = "progid: dximagetransform.microsoft.Alphaimageloader (simenMethod = 'scale', src =/" " + data +"/")";
this._imgshow (ImagePreview.Transparent, Preload.Offsetwidth, preload.offseteight);
},
// 显示预览
_imgshow: Funktion (SRC, Breite, Höhe) {
var img = this.img, style = img.style,
Ratio = math.max (0, this.Ratio) || Math.min (1,,
Math.max (0, this.maxwidth) / width || 1,,
Math.max (0, this.maxHeight) / Höhe || 1
);
// 设置预览尺寸
style.width = math.round (Breite * Verhältnis) + "px";
style.height = math.round (Höhe * Verhältnis) + "px";
// 设置 src
img.src = src;
this.onshow ();
},
// 销毁程序
dispose: 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 && Elternteil.Removechild (Vorspannung);
}
// 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 = "Datei" name = "pic"/> <img id = "idimg" src = "// www.vevb.com/"/>
<Script>
var ip = new ImagePreview ($$ ("idfile"), $$ ("idimg"), {
MaxWidth: 200, MaxHeight: 2000, Aktion: "ImagePreview.ashx"
});
ip.img.src = imagePreview.transparent;
ip.file.onchange = function () {ip.preview (); };
</script>