调用服务器的服务，其中有个参数是签名，签名需要计算，需要写一个本地函数。
下一步
pre-request Script 的代码如下：
(function($) {
if(!$.encoding)
$.encoding = {};
$.extend($.encoding,{
strToBe32s: function(str) {
// Convert a string to an array of big-endian 32-bit words
var be=[];
var len=Math.floor(str.length/4);
var i, j;
for(i=0, j=0; i<len; i++, j+=4) {
be[i]=((str.charCodeAt(j)&0xff) << 24)|((str.charCodeAt(j+1)&0xff) << 16)|((str.charCodeAt(j+2)&0xff) << 8)|(str.charCodeAt(j+3)&0xff);
}
while(j<str.length) {
be[j>>2] |= (str.charCodeAt(j)&0xff)<<(24-(j*8)%32);
j++;
}
return be;
},
be32sToStr: function(be) {
// Convert an array of big-endian 32-bit words to a string
var str='';
for(var i=0;i<be.length*32;i+=8) {
str += String.fromCharCode((be[i>>5]>>>(24-i%32)) & 0xff);
}
return str;
},
be32sToHex: function(be) {
// Convert an array of big-endian 32-bit words to a hex string
var hex='0123456789ABCDEF';
var str='';
for(var i=0;i<be.length*4;i++) {
str += hex.charAt((be[i>>2]>>((3-i%4)*8+4))&0xF) + hex.charAt((be[i>>2]>>((3-i%4)*8))&0xF);
}
return str;
}
});
})(jQuery);
(function($) {
if(!$.encoding.digests)
$.encoding.digests = {};
$.extend($.encoding.digests,{
hexSha1Str: function(str) {
// Return, in hex, the SHA-1 hash of a string
return $.encoding.be32sToHex($.encoding.digests.sha1Str(str));
},
sha1Str: function(str) {
// Return the SHA-1 hash of a string
return sha1($.encoding.strToBe32s(str),str.length);
},
sha1: function(x,blen) {
// Calculate the SHA-1 hash of an array of blen bytes of big-endian 32-bit words
return sha1($.encoding.strToBe32s(str),str.length);
}
});
// Private functions.
function sha1(x,blen) {
// Calculate the SHA-1 hash of an array of blen bytes of big-endian 32-bit words
function add32(a,b) {
// Add 32-bit integers, wrapping at 32 bits
// Uses 16-bit operations internally to work around bugs in some JavaScript interpreters.
var lsw=(a&0xFFFF)+(b&0xFFFF);
var msw=(a>>16)+(b>>16)+(lsw>>16);
return (msw<<16)|(lsw&0xFFFF);
}
function AA(a,b,c,d,e) {
// Cryptographic round helper function. Add five 32-bit integers, wrapping at 32 bits, second parameter is rotated left 5 bits before the addition
// Uses 16-bit operations internally to work around bugs in some JavaScript interpreters.
b=(b>>>27)|(b<<5);
var lsw=(a&0xFFFF)+(b&0xFFFF)+(c&0xFFFF)+(d&0xFFFF)+(e&0xFFFF);
var msw=(a>>16)+(b>>16)+(c>>16)+(d>>16)+(e>>16)+(lsw>>16);
return (msw<<16)|(lsw&0xFFFF);
}
function RR(w,j) {
// Cryptographic round helper function.
var n=w[j-3]^w[j-8]^w[j-14]^w[j-16];
return (n>>>31)|(n<<1);
}
var len=blen*8;
//# Append padding so length in bits is 448 mod 512
x[len>>5] |= 0x80 << (24-len%32);
//# Append length
x[((len+64>>9)<<4)+15]=len;
var w=new Array(80);
var k1=0x5A827999;
var k2=0x6ED9EBA1;
var k3=0x8F1BBCDC;
var k4=0xCA62C1D6;
var h0=0x67452301;
var h1=0xEFCDAB89;
var h2=0x98BADCFE;
var h3=0x10325476;
var h4=0xC3D2E1F0;
for(var i=0;i<x.length;i+=16) {
var j=0;
var t;
var a=h0;
var b=h1;
var c=h2;
var d=h3;
var e=h4;
while(j<16) {
w[j]=x[i+j];
t=AA(e,a,d^(b&(c^d)),w[j],k1);
e=d; d=c; c=(b>>>2)|(b<<30); b=a; a=t; j++;
}
while(j<20) {
w[j]=RR(w,j);
t=AA(e,a,d^(b&(c^d)),w[j],k1);
e=d; d=c; c=(b>>>2)|(b<<30); b=a; a=t; j++;
}
while(j<40) {
w[j]=RR(w,j);
t=AA(e,a,b^c^d,w[j],k2);
e=d; d=c; c=(b>>>2)|(b<<30); b=a; a=t; j++;
}
while(j<60) {
w[j]=RR(w,j);
t=AA(e,a,(b&c)|(d&(b|c)),w[j],k3);
e=d; d=c; c=(b>>>2)|(b<<30); b=a; a=t; j++;
}
while(j<80) {
w[j]=RR(w,j);
t=AA(e,a,b^c^d,w[j],k4);
e=d; d=c; c=(b>>>2)|(b<<30); b=a; a=t; j++;
}
h0=add32(h0,a);
h1=add32(h1,b);
h2=add32(h2,c);
h3=add32(h3,d);
h4=add32(h4,e);
}
return [h0,h1,h2,h3,h4];
}
})(jQuery);
function signBySha1(data){
data={"appKey":"00001","messageFormat":"json","method":"user.getSession","userName":"tomson","sign":"","v":"1.0","secret":"abcdeabcdeabcdeabcdeabcde"};
var secret ='abcdeabcdeabcdeabcdeabcde';
var tempStr = secret+ "appKey"+data["appKey"];
tempStr += "messageFormat"+data["messageFormat"];
tempStr += "method"+data["method"];
// tempStr += "password"+data["password"];
tempStr +="secret"+data["secret"];
tempStr += "userName"+data["userName"];
tempStr += "v"+data["v"];
tempStr += secret;
var signData = $.encoding.digests.hexSha1Str(tempStr);
// data["sign"]=signData;
return signData;
}
postman.setGlobalVariable("sign", signBySha1());
postman.setGlobalVariable("sign", signBySha1());是设置全局变量
ok，完成了