var Html_Root = '/';
/*
http_request.readyState:
0 (尚未初始化; 還沒呼叫 open())
1 (載入中; http_request 已經設定好了，但是還沒呼叫 send())
2 (載入完成; http_request 已經送給 server 了，server 已經開始 處理了，你可以取得 content header 了。)
3 (可以互動的; http_request 已經部份完成了，所以有可能取得 部份處理完的資料)
4 (完成的; compelte)
*/
/**
* Ajax Base Function - make
* */
function makeRequest(href)
{
http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');
}
} else if (window.ActiveXObject) { // 使用 IE 瀏覽器的物件
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) {
alert('發生錯誤！您的作業系統無法建立 AJAX 物件，已中斷您的操作要求。');
return false;
}
//http_request.onreadystatechange = function() {
// returnRequest(http_request); };
//http_request.open('POST', Html_Root+'ctrl.php', true);
//http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
//http_request.send(href);
return http_request;
}
/**
* Ajax Bse Function - send
* */
function sendRequest(http_request, href)
{
http_request.open('POST', Html_Root+'bin/ctrl.php', true);
http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
http_request.send(href);
return false;
}
/**
* Ajax Bse Function - error message
* */
function errorCode(code)
{
var errorMsg;
switch(code)
{
case 500:
errorMsg = '伺服器錯誤!!';
break;
default:
errorMsg = 'HTTP 發生錯誤, 代碼: '+code+' !';
break;
}
return errorMsg;
}
// ============================================================ //
/**
* Ajax for Return to some object - send
* */
function return_Ajax(obj_id, href)
{
if(typeof(http_request) == 'object' && http_request.readyState != 4)
{
setTimeout("alert_Ajax('"+href+"');", 500);
return false;
}
else
{
http_request = makeRequest();
http_request.onreadystatechange = function() {
return_Ajax_end(obj_id, http_request); };
sendRequest(http_request, href);
}
}
/**
* Ajax for Return to some object - do
* */
function return_Ajax_end(obj_id, http_request)
{
//alert(http_request.readyState);
if (http_request.readyState == 0) {
} else if (http_request.readyState == 1) {
} else if (http_request.readyState == 2) {
} else if (http_request.readyState == 3) {
} else if (http_request.readyState == 4) {
if(http_request.status == 200)
{
context = http_request.responseText;
arr = context.split("[Ajax_abcdefghijklmnopqrstuvwxyz_Ajax_zyxwvutsrqponmlkjihgfedcba_Ajax]");
document.getElementById(obj_id).value = arr[0];
}
else if(http_request.status == '0')
;
else
{
alert(errorCode(http_request.status));
}
http_request = false;
} else {
}
}
/**
* Ajax for alert - send
* */
function alert_Ajax(href)
{
//alert(href);
if(typeof(http_request) == 'object' && http_request.readyState != 4)
{
setTimeout("alert_Ajax('"+href+"');", 500);
return false;
}
else
{
http_request = makeRequest();
http_request.onreadystatechange = function() {
alert_Ajax_end(http_request); };
sendRequest(http_request, href);
}
}
/**
* Ajax for alert - do
* */
function alert_Ajax_end(http_request)
{
//alert(http_request.readyState);
if (http_request.readyState == 0) {
} else if (http_request.readyState == 1) {
} else if (http_request.readyState == 2) {
} else if (http_request.readyState == 3) {
} else if (http_request.readyState == 4) {
if(http_request.status == 200)
{
context = http_request.responseText;
alert(context);
arr = context.split("[Ajax_abcdefghijklmnopqrstuvwxyz_Ajax_zyxwvutsrqponmlkjihgfedcba_Ajax]");
//alert(arr[0]);
}
else if(http_request.status == '0')
;
else
{
alert(errorCode(http_request.status));
}
http_request = false;
} else {
}
}
/**
* Ajax for innerHTML - send
* */
function echo_Ajax(target_obj, href, type, imgload)
{
//alert(href);
if(typeof(target_obj) == 'string')
target_obj = document.getElementById(target_obj);
if(!imgload)
imgload = '';
if(type == 'display')
{
if(target_obj.style.display == 'none')
target_obj.style.display = '';
else
{
target_obj.style.display = 'none';
return false;
}
}
else if(type == 'display_once')
{
if(target_obj.style.display == 'none')
target_obj.style.display = '';
}
else
;
if(typeof(http_request) == 'object' && http_request.readyState != 4)
{
setTimeout("echo_Ajax('"+target_obj.id+"', '"+href+"', '"+type+"', '"+imgload+"');", 500);
return false;
}
else
{
http_request = makeRequest();
http_request.onreadystatechange = function() {
echo_Ajax_end(http_request, target_obj, imgload); };
sendRequest(http_request, href);
}
}
/**
* Ajax for innerHTML - do
* */
function echo_Ajax_end(http_request, target_obj, imgload)
{
if (http_request.readyState == 0) {
} else if (http_request.readyState == 1) {
// ---------------- Loading 圖示顯示 ------------------------------------------
if(imgload)
target_obj.innerHTML = '
';
else
target_obj.innerHTML = '
';
// ----------------------------------------------------------------------------
} else if (http_request.readyState == 2) {
} else if (http_request.readyState == 3) {
} else if (http_request.readyState == 4) {
if(http_request.status == 200)
{
context = http_request.responseText;
//alert(context);
arr = context.split("[Ajax_abcdefghijklmnopqrstuvwxyz_Ajax_zyxwvutsrqponmlkjihgfedcba_Ajax]");
//alert(arr[0]);
target_obj.innerHTML = arr[0];
}
else if(http_request.status == '0')
;
else
{
target_obj.innerHTML = errorCode(http_request.status);
}
http_request = false;
} else {
}
}
/**
* Ajax for insertAdjacentHTML - send
* */
function Adj_Ajax(target_obj, href, imgload)
{
adj_flag = 'no';
if(typeof(target_obj) == 'string')
target_obj = document.getElementById(target_obj);
if(!imgload)
imgload = '';
if(typeof(http_request) == 'object' && http_request.readyState != 4)
{
setTimeout("Adj_Ajax('"+target_obj.id+"', '"+href+"', '"+imgload+"');", 500);
return false;
}
else
{
http_request = makeRequest();
http_request.onreadystatechange = function() {
Adj_Ajax_end(http_request, target_obj, imgload); };
sendRequest(http_request, href);
}
}
/**
* Ajax for insertAdjacentHTML - do
* */
function Adj_Ajax_end(http_request, target_obj, imgload)
{
if (http_request.readyState == 0) {
} else if (http_request.readyState == 1) {
// ---------------- Loading 圖示顯示 ------------------------------------------
if(adj_flag == 'yes')
;
else
{
adj_flag = 'yes';
if(imgload)
insertHtml('beforeEnd', target_obj, '');
else
insertHtml('beforeEnd', target_obj, '');
}
// ----------------------------------------------------------------------------
} else if (http_request.readyState == 2) {
} else if (http_request.readyState == 3) {
} else if (http_request.readyState == 4) {
adj_flag = 'no';
if(http_request.status == 200)
{
context = http_request.responseText;
arr = context.split("[Ajax_abcdefghijklmnopqrstuvwxyz_Ajax_zyxwvutsrqponmlkjihgfedcba_Ajax]");
document.getElementById(target_obj.id+'_ajax_temp').style.display = 'none';
document.getElementById(target_obj.id+'_ajax_temp').id = '';
insertHtml('beforeEnd', target_obj, arr[0]);
}
else if(http_request.status == '0')
;
else
{
insertHtml('beforeEnd', target_obj, errorCode(http_request.status));
}
http_request = false;
} else {
}
}
/**
* Ajax for eval - send
* */
function eval_Ajax(href)
{
if(typeof(target_obj) == 'string')
target_obj = document.getElementById(target_obj);
if(typeof(http_request) == 'object' && http_request.readyState != 4)
{
setTimeout("eval_Ajax('"+href+"');", 500);
return false;
}
else
{
http_request = makeRequest();
http_request.onreadystatechange = function() {
eval_Ajax_end(http_request); };
sendRequest(http_request, href);
}
}
/**
* Ajax for eval - do
* */
function eval_Ajax_end(http_request)
{
if (http_request.readyState == 0) {
} else if (http_request.readyState == 1) {
} else if (http_request.readyState == 2) {
} else if (http_request.readyState == 3) {
} else if (http_request.readyState == 4) {
if(http_request.status == 200)
{
context = http_request.responseText;
//alert(context);
arr = context.split("[Ajax_abcdefghijklmnopqrstuvwxyz_Ajax_zyxwvutsrqponmlkjihgfedcba_Ajax]");
//alert(arr[0]);
eval(arr[0]);
}
else if(http_request.status == '0')
;
else
{
insertHtml('beforeEnd', target_obj, errorCode(http_request.status));
}
http_request = false;
} else {
}
}
// 將 AJAX 回傳的結果分兩部份, 前半部回傳給 obj 後半部當作 javascript 執行;
/**
* Ajax for innerHTML&eval - send
* */
function echo_eval_Ajax(target_obj, href, type, imgload)
{
if(typeof(target_obj) == 'string')
target_obj = document.getElementById(target_obj);
if(!imgload)
imgload = '';
if(type == 'display')
{
if(target_obj.style.display == 'none')
target_obj.style.display = '';
else
{
target_obj.style.display = 'none';
return false;
}
}
else if(type == 'display_once')
{
if(target_obj.style.display == 'none')
target_obj.style.display = '';
}
else
;
if(typeof(http_request) == 'object' && http_request.readyState != 4)
{
setTimeout("echo_eval_Ajax('"+target_obj.id+"', '"+href+"', '"+type+"', '"+imgload+"');", 500);
return false;
}
else
{
http_request = makeRequest();
http_request.onreadystatechange = function() {
echo_eval_Ajax_end(http_request, target_obj, imgload); };
sendRequest(http_request, href);
}
}
/**
* Ajax for innerHTML&eval - do
* */
function echo_eval_Ajax_end(http_request, target_obj, imgload)
{
if (http_request.readyState == 0) {
} else if (http_request.readyState == 1) {
// ---------------- Loading 圖示顯示 ------------------------------------------
if(imgload != null)
target_obj.innerHTML = '';
else
target_obj.innerHTML = '';
// ----------------------------------------------------------------------------
} else if (http_request.readyState == 2) {
} else if (http_request.readyState == 3) {
} else if (http_request.readyState == 4) {
if(http_request.status == 200)
{
context = http_request.responseText;
arr = context.split("[Ajax_abcdefghijklmnopqrstuvwxyz_Ajax_zyxwvutsrqponmlkjihgfedcba_Ajax]");
target_obj.innerHTML = arr[0];
//alert(arr[0]);
if(arr[1] != null)
{
//alert(arr[1]);
eval(arr[1]);
}
}
else if(http_request.status == '0')
;
else
{
target_obj.innerHTML = errorCode(http_request.status);
}
http_request = false;
} else {
}
}
/**
* Ajax for innerHTML&time - send
* 每1秒確認一次資料是否有傳回, 直到時間結束
* 傳回的資料陣列第二欄必須是 OK or eval 才會停止
* 僅可用於 get_session 的功能上
* */
function echo_time_Ajax(target_obj_id, var_name, timeout, imgload)
{
href = '_Sys_Flag=get_session&_return_var_name='+var_name;
//alert('time:' + href);
//document.getElementById('result_content').insertAdjacentHTML('beforeEnd', var_name+' start!
');
if(typeof(target_obj) == 'string')
target_obj = document.getElementById(target_obj);
if(!imgload)
imgload = '';
if(typeof(http_request) == 'object' && http_request.readyState != 4)
{
//document.getElementById('result_content').insertAdjacentHTML('beforeEnd', http_request.readyState+': '+var_name+' wait!
');
setTimeout("echo_time_Ajax('"+target_obj_id+"', '"+var_name+"', '"+timeout+"', '"+imgload+"');", 500);
return false;
}
else
{
http_request = makeRequest();
http_request.onreadystatechange = function() {
echo_time_Ajax_end(http_request, target_obj_id, var_name, timeout, imgload); };
sendRequest(http_request, href);
}
return false;
}
function echo_time_Ajax_end(http_request, target_obj_id, var_name, timeout, imgload)
{
target_obj = document.getElementById(target_obj_id);
//document.getElementById('result_content').insertAdjacentHTML('beforeEnd', http_request.readyState+ ': ' + var_name+' ready
');
//alert(http_request.readyState);
if ('http_request.readyState: '+http_request.readyState == 0) {
} else if (http_request.readyState == 1) {
// ---------------- Loading 圖示顯示 ------------------------------------------
if(imgload)
target_obj.innerHTML = '';
else
target_obj.innerHTML = '';
// ----------------------------------------------------------------------------
} else if (http_request.readyState == 2) {
} else if (http_request.readyState == 3) {
} else if (http_request.readyState == 4) {
//alert('http_request.status: '+http_request.status);
if(http_request.status == 200)
{
//alert(timeout);
parseInt(timeout);
context = http_request.responseText;
arr = context.split("[Ajax_abcdefghijklmnopqrstuvwxyz_Ajax_zyxwvutsrqponmlkjihgfedcba_Ajax]");
//alert(context);
if(arr[1] == 'OK')
{
//document.getElementById('result_content').insertAdjacentHTML('beforeEnd', var_name+' ***
');
target_obj.innerHTML = arr[0];
}
else if(arr[1] == 'eval')
{
target_obj.innerHTML = arr[0];
if(arr[2] != null)
eval(arr[2]);
}
else if(timeout == 0 || timeout == -1)
{
target_obj.innerHTML = '伺服器處理逾時!!!';
}
else if(context.match("Warning:"))
{
target_obj.innerHTML = '系統發生錯誤!!!';
}
else
{
//document.getElementById('result_content').insertAdjacentHTML('beforeEnd', var_name+' continue
');
timeout = timeout - 1;
setTimeout("echo_time_Ajax('"+target_obj.id+"', '"+var_name+"', "+timeout+", '"+imgload+"');", 500);
}
}
else if(http_request.status == '0')
;
else
{
target_obj.innerHTML = errorCode(http_request.status);
}
http_request = false;
} else {
}
}
/**
* Ajax for Submit Form
* */
function submitAjax(target_obj, var_name, href, theform, type)
{
var_name = var_name+'_'+String(Math.floor(Math.random()*10000));
href=Html_Root+'bin/ctrl.php?'+href+'&_session_var_name='+var_name;
//alert(href);
if(type == 'display')
{
if(target_obj.style.display == 'none')
target_obj.style.display = '';
else
{
target_obj.style.display = 'none';
return false;
}
}
else if(type == 'display_once')
{
if(target_obj.style.display == 'none')
target_obj.style.display = '';
}
else
;
if(theform)
{
theform.action=href;
theform.submit();
theform.action='';
}
else
{
main_form.action=href;
main_form.submit();
main_form.action='';
}
echo_time_Ajax(target_obj.id, var_name, -2, 'l')
}
/**
* Ajax for Submit Form without Result
* */
function submitAjax_NR(var_name, href, theform)
{
var_name = var_name+'_'+String(Math.floor(Math.random()*10000));
href=Html_Root+'bin/ctrl.php?'+href+'&_session_var_name='+var_name;
//alert(href);
//alert(theform);
if(theform)
{
theform.action=href;
theform.submit();
theform.action='';
}
else
{
main_form.action=href; // alert(href);
main_form.submit();
main_form.action=''; // alert(target_obj);
}
}