common.js（有关base64）相关的操作
2016-11-22 08:57:48 访问(1923) 赞(0) 踩(0)
/* @Deprecated Function, to support early invoke only. */
function encrypt(password){
var ret= new String("");
var str = new String(password);
var temp = new Array(password.length);
for(i = 0; i< str.length; i++)
{
temp[i] = str.charCodeAt(i)^0xff;
ret += String.fromCharCode(temp[i]);
}
return ret;
}
/* @Deprecated Function, to support early invoke only. */
function base64(input) {
var keyStr = "ABCDEFGHIJKLMNOP" +
"QRSTUVWXYZabcdef" +
"ghijklmnopqrstuv" +
"wxyz0123456789+/" +
"=";
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) + keyStr.charAt(enc4);
}
return output;
}
/* @Deprecated Function, to support early invoke only. */
function setCookie(name,value) {
i_p_f_setCookie(name,value,60*60*24*365);
}
/* @Deprecated Function, to support early invoke only. */
function getCookie(Name) {
return imc_portal_function_getCookie(Name);
}
/* @Deprecated Function, to support early invoke only. */
function checkUserName(userName) {
return true;
}
/* */
function imc_portal_function_encrypt(password){
var ret= new String("");
var str = new String(password);
var temp = new Array(password.length);
for(i = 0; i< str.length; i++)
{
temp[i] = str.charCodeAt(i)^0xff;
ret += String.fromCharCode(temp[i]);
}
return ret;
}
/* */
function imc_portal_function_base64(input) {
var keyStr = "ABCDEFGHIJKLMNOP" +
"QRSTUVWXYZabcdef" +
"ghijklmnopqrstuv" +
"wxyz0123456789+/" +
"=";
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) + keyStr.charAt(enc4);
}
return output;
}
/* set cookie */
function i_p_f_setCookie(name,value,expiresSecond) {
if (name!=null && value!=null) {
var v_cookie_str = name + "=" + escape(value)
if (expiresSecond != null) {
var expires = new Date();
expires.setTime((new Date()).getTime() + 1000*expiresSecond);
v_cookie_str = v_cookie_str + "; expires=" + expires.toGMTString();
}
document.cookie = v_cookie_str + "; Path=/portal/";
}
}
/* set cookie */
function i_p_f_setCookieWithSessionScope(name,value) {
i_p_f_setCookie(name,value);
}
/* set cookie */
function imc_portal_function_setCookie(name,value) {
i_p_f_setCookie(name,value,60*60*24*365);
}
/* remove cookie */
function i_p_f_removeCookie(name) {
var today = new Date();
var expires = new Date();
expires.setTime(today.getTime() - 1000*60*60*24*365); // earlier than now
document.cookie = name + "=; expires=" + expires.toGMTString();
}
/* get cookie */
function imc_portal_function_getCookie(Name) {
var search = Name + "=";
if(document.cookie.length > 0) {
offset = document.cookie.indexOf(search);
if(offset != -1) {
offset += search.length;
end = document.cookie.indexOf(";", offset);
if(end == -1) end = document.cookie.length;
return unescape(document.cookie.substring(offset, end));
}
else return "";
}
else return "";
}
/**
* delete the space of one string from left and right
*/
String.prototype.trim=function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
//some codes in the internet has no '|', but in this current testing env., must have the '|'
}
/**
* delete the space of one string from left
*/
String.prototype.ltrim=function()
{
return this.replace(/(^\s*)/g,"");
}
/**
* delete the space of one string from right
*/
String.prototype.rtrim=function()
{
return this.replace(/(\s*$)/g,"");
}
/* check username. attribute: userName = "name" + "domain" */
function imc_portal_function_checkUserName(userName,promptArray){
var userNameLeft = userName.ltrim(); //the userName before @
var userNameRight = "";
var re=/^[\s]*$/;
if(userName.match(re)) {
alert(promptArray[0]); //account name can not be blank
return false;
}
// User name only have one character '@' at most and the character can not at the beginning of the user name.
re = /^[\ ]*[\@]$/;
if(-1 != userName.indexOf('@') &&
(userName.indexOf('@') != userName.lastIndexOf('@')
|| userName.substring(0, userName.indexOf('@') + 1).match(re))) {
alert(promptArray[1]);
return false;
} //make sure the User name only have one character '@' at most
if(userName.indexOf('@') !=-1){
userNameLeft = userName.substring(0, userName.indexOf('@')).trim(); //get the account name before @
userNameRight = userName.substring(userName.indexOf('@')+1, userName.length).trim(); //get the domain name after @
}
//re = /^[\ ]*([\w\-\_\@\.]+[\ ]?[\w\-\_\@\.]*)*[\w\-\_\@\.]*[\ ]*$/;
//illegal characters(user name, not include the '@' and domain name): #+/?%&=*'@\"[]()<>` , and please notice that the last char is TAB.
re =/^[^\x23\x2B\x2F\x3F\x25\x26\x3D\x2A\x27\x40\x5C\x22\x5B\x5D\x28\x29\x3C\x3E\x60\x09]+$/;
var regexRight = /^[\w\-\_\.]+$/;
if(!re.test(userNameLeft)||userNameLeft.indexOf(" ")!=-1||(userNameRight != null && userNameRight.length>0&& !regexRight.test(userNameRight))){
alert(promptArray[2]);
return false;
}
return true;
}
/* check user password */
function imc_portal_function_checkUserPwd(userPwd, errorInfo) {
return i_p_f_checkValNotNull(userPwd, errorInfo);
}
/* value is not blank? */
function i_p_f_checkValNotBlank(val,errorInfo){
var re=/^[\s]*$/;
if(val == null || val.match(re)) {
if (errorInfo != null) {
alert(errorInfo);
}
return false;
} else {
return true;
}
}
/* value is not null? */
function i_p_f_checkValNotNull(val,errorInfo){
if (val == null || val == '') {
if (errorInfo != null) {
alert(errorInfo);
}
return false;
} else {
return true;
}
}
/* check user name validity */
function i_p_f_checkUserNameValidity(userName,errorInfo){
var re =/^[^\x23\x2B\x2F\x3F\x25\x26\x3D\x2A\x27\x40\x5C\x22\x5B\x5D\x28\x29\x3C\x3E\x60\x09]+$/;
if (!re.test(userName)||userName.indexOf(" ")!=-1) {
if (errorInfo != null) {
alert(errorInfo);
}
return false;
} else {
return true;
}
}
/* common function */
function i_p_f_getParameter(name)
{
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
var regexS = "[\\?&]"+name+"=([^&#]*)";
var regex = new RegExp( regexS );
var results = regex.exec( window.location.href );
if( results == null ) {
return null;
} else {
return results[1];
}
}
function f_addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload!="function") {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}
/* common function */
function i_p_f_getUrlFullParameters(url)
{
var v_index = url.indexOf("?");
if (v_index > -1) { //
return url.substring(v_index+1);
} else {
return null;
}
}
/* ifBrowserAllowPopWindow */
function i_p_f_ifBrowserAllowPopWindow() {
var testWin = window.open('','testWin','height=1px,width=1px');
if(testWin!=null && !testWin.closed){
testWin.close();
return true;
}else{
return false;
}
}
function i_p_f_pageLoading(v_type) {
if (v_type == null) {
alert("error.");
return ;
} else if (v_type == 'init') {
$("body").append("<div id='id_loading' style='display: none;'><div id='id_loading_filter' class='loading_filter'></div></div>");
} else if (v_type == 'start') {
$("select").hide();
$("#id_loading").show();
} else if (v_type == 'complete') {
$("#id_loading").hide();
$("select").show();
} else {
alert("error.");
return ;
}
}
var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var base64DecodeChars = new Array(
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);
function i_p_f_base64Encode(str) {
var out, i, len;
var c1, c2, c3;
len = str.length;
i = 0;
out = "";
while(i < len) {
c1 = str.charCodeAt(i++) & 0xff;
if(i == len)
{
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt((c1 & 0x3) << 4);
out += "==";
break;
}
c2 = str.charCodeAt(i++);
if(i == len)
{
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += base64EncodeChars.charAt((c2 & 0xF) << 2);
out += "=";
break;
}
c3 = str.charCodeAt(i++);
out += base64EncodeChars.charAt(c1 >> 2);
out += base64EncodeChars.charAt(((c1 & 0x3)<< 4) | ((c2 & 0xF0) >> 4));
out += base64EncodeChars.charAt(((c2 & 0xF) << 2) | ((c3 & 0xC0) >>6));
out += base64EncodeChars.charAt(c3 & 0x3F);
}
return out;
}
/* */
function i_p_f_base64Decode(str) {
var c1, c2, c3, c4;
var i, len, out;
len = str.length;
i = 0;
out = "";
while(i < len) {
/* c1 */
do {
c1 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
} while(i < len && c1 == -1);
if(c1 == -1)
break;
/* c2 */
do {
c2 = base64DecodeChars[str.charCodeAt(i++) & 0xff];
} while(i < len && c2 == -1);
if(c2 == -1)
break;
out += String.fromCharCode((c1 << 2) | ((c2 & 0x30) >> 4));
/* c3 */
do {
c3 = str.charCodeAt(i++) & 0xff;
if(c3 == 61)
return out;
c3 = base64DecodeChars[c3];
} while(i < len && c3 == -1);
if(c3 == -1)
break;
out += String.fromCharCode(((c2 & 0XF) << 4) | ((c3 & 0x3C) >> 2));
/* c4 */
do {
c4 = str.charCodeAt(i++) & 0xff;
if(c4 == 61)
return out;
c4 = base64DecodeChars[c4];
} while(i < len && c4 == -1);
if(c4 == -1)
break;
out += String.fromCharCode(((c3 & 0x03) << 6) | c4);
}
return out;
}
/* */
function i_p_f_base64DecodeAndUrlDecode(str) {
return decodeURIComponent(i_p_f_base64Decode(str));
}
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common.js（有关base64）相关的操作 
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