📄 ajax json_js 求助…… -- 编程爱好者论坛存档帖.mht
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<TD>=A1=BEnego_sun_java=A1=BF:<BR>/*<BR> json.js<B=
R> 2006-04-28<BR><BR> This&=
nbsp;file adds these methods to JavaScript:<BR><=
BR> object.toJSONString()<=
BR><BR> =
This method produces a JSON text from=
an object. The<BR> &nb=
sp; object must not contain&n=
bsp;any cyclical references.<BR><BR> &nb=
sp; array.toJSONString()<BR><BR> =
This method pro=
duces a JSON text from an array. The<B=
R>  =
;array must not contain any cyclical refere=
nces.<BR><BR> string.parse=
JSON()<BR><BR>  =
; This method parses a JSON text =
;to produce an object or<BR> &=
nbsp; array. It will&n=
bsp;return false if there is an error.<BR>*=
/<BR>(function () {<BR> var m =
=3D {<BR>  =
; '\b': '\\b',<BR> &nb=
sp; '\t': '\\t',<BR> &=
nbsp; '\n': '\\n',<BR=
> =
'\f': '\\f',<BR> &nbs=
p; '\r': '\\r',<BR> &n=
bsp; '"' : '\\"',<BR> &=
nbsp; '\\':&nb=
sp;'\\\\'<BR> },<BR> =
s =3D {<BR> &nbs=
p; array: =
;function (x) {<BR> &n=
bsp; var a =3D&n=
bsp;['['], b, f, i, l =3D x.length, v;=
<BR> &nb=
sp; for (i =3D 0; i <&=
nbsp;l; i +=3D 1) {<BR> =
&=
nbsp; v =3D x[i];<BR> &=
nbsp; &n=
bsp; f =3D s[typeof v];<BR> &n=
bsp; &nb=
sp; if (f) {<BR> =
&=
nbsp; v =3D f(v);<BR>&=
nbsp; &n=
bsp; if&=
nbsp;(typeof v =3D=3D 'string') {<BR> &nbs=
p;  =
; =
if (b) {<BR> &nb=
sp; &nbs=
p;  =
;a[a.length] =3D ',';<BR> &n=
bsp; &nb=
sp; }<BR>  =
; =
&=
nbsp; a[a.length] =3D v;<BR> =
&=
nbsp; b =3D=
true;<BR> &nbs=
p;  =
; }<BR> &=
nbsp; }<BR>&nb=
sp; &nbs=
p; }<BR> =
a[a.length] =3D =
;']';<BR> &nbs=
p; return a.join('');<BR> &n=
bsp; },<BR> &nb=
sp; 'boolean':=
function (x) {<BR> &nb=
sp; return Stri=
ng(x);<BR> &nb=
sp; },<BR> &nbs=
p; 'null': function (x) {<BR> =
&=
nbsp;return "null";<BR> &nb=
sp; },<BR> &nbs=
p; number: function (x) {<BR>=
&=
nbsp; return isFinite(x) ? String(x) =
;: 'null';<BR> =
},<BR> &=
nbsp; object: function (x) {<BR> &nb=
sp; &nbs=
p; if (x) {<BR> &=
nbsp; &n=
bsp; if (x instanceof Array) {<BR> &n=
bsp; &nb=
sp; return s.ar=
ray(x);<BR> &n=
bsp; }<BR> &nbs=
p;  =
; var a =3D ['{'], =
;b, f, i, v;<BR> =
&=
nbsp;for (i in x) {<BR> =
&=
nbsp; v =3D x[i];<BR> &=
nbsp; &n=
bsp; f =3D=
s[typeof v];<BR> &nbs=
p;  =
; if (f) {<BR> &n=
bsp; &nb=
sp; v&nb=
sp;=3D f(v);<BR> &nbs=
p;  =
; if (typeof v =3D=
=3D 'string') {<BR> &n=
bsp; &nb=
sp; &nbs=
p;if (b) {<BR> &=
nbsp; &n=
bsp; &nb=
sp; a[a.length] =3D ',';<BR> =
&=
nbsp; &n=
bsp; }<BR> &nbs=
p;  =
; =
a.push(s.string(i), ':', v);<BR> &=
nbsp; &n=
bsp; &nb=
sp; b =3D true;<BR> &nb=
sp; &nbs=
p; }<BR>=
&=
nbsp; }<=
BR> &nbs=
p; }<BR> =
&=
nbsp; a[a.length] =3D '}';<BR> &nbs=
p;  =
; return a.join('');<BR> &nb=
sp; &nbs=
p; }<BR> =
return 'null';<BR> &n=
bsp; },<BR>&nb=
sp; stri=
ng: function (x) {<BR> =
if (/["\=
\\x00-\x1f]/.test(x)) {<BR>  =
; =
x =3D x.replace(/([\x00-\x1f\\"])/g, function(a,&nbs=
p;b) {<BR> &nbs=
p;  =
; var c =3D m[b];<BR> &n=
bsp; &nb=
sp; if (c) {<BR> =
&=
nbsp; &n=
bsp; return c;<BR> &nb=
sp; &nbs=
p; }<BR> =
&=
nbsp; c =3D b.charCodeAt();<BR>&nb=
sp; &nbs=
p; retur=
n '\\u00' +<BR> =
&=
nbsp; Math.floor(c / 1=
6).toString(16) +<BR>  =
; =
(c % 16).toStri=
ng(16);<BR> &n=
bsp; });<BR> &n=
bsp; &nb=
sp; }<BR>  =
; return '"' + x&=
nbsp;+ '"';<BR>  =
; }<BR> }=
;<BR><BR> Object.prototype.toJSONString =3D&n=
bsp;function () {<BR> =
return s.object(this);<BR> };<BR><BR>&n=
bsp; Array.prototype.toJSONString =3D function=
() {<BR> return=
s.array(this);<BR> };<BR>})();<BR><BR>String=
.prototype.parseJSON =3D function () {<BR>  =
; try {<BR> &nbs=
p;return !(/[^,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]/.test(<BR> =
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