QQ邮箱的一个文本编辑器代码_javascript技巧
var _r = "";
var color_table=[
['000000','993300','333300','003300','003366','000080','333399','333333'],
['800000','FF6600','808000','008000','008080','0000FF','666699','808080'],
['FF0000','FF9900','99CC00','339966','33CCCC','3366FF','800080','999999'],
['FF00FF','FFCC00','FFFF00','00FF00','00FFFF','00CCFF','993366','C0C0C0'],
['FF99CC','FFCC99','FFFF99','CCFFCC','CCFFFF','99CCFF','CC99FF','FFFFFF']
];
function a1(obj)
{
obj.style.border='1px solid #000080';
obj.style.background='#FFEEC2';
}
function a2(obj)
{
obj.style.border='1px solid #F6F6F6';
obj.style.background='#F6F6F6';
}
function paintCell(color)
{
//_r += '
_r += '
_r += "

}
function paintRow(color_row) //一行
{
_r +='
for (var i = 0,l=color_row.length; i {
paintCell(color_row[i]);
}
_r +='
}
function paintTable(b) //表格
{
_r +='
}
function paintCube() { //大边框
_r += '
'; paintTable(color_table); _r +=(' | ');
return _r;
}
edt_main.js
//html输出
function output(dat,templ,b)
{
for(var i=0;i
var d = dat[i];
if(d.join)
{
for(var j=0;j
templ[j*2+1] = d[j];
if(b) alert(templ.join(""));
document.write(templ.join(""));
}
else document.write(d);
}
}
//B I U
var commFunc = " onmousedown=OnTBMouseDown(this) onmouseover=OnTBMouseOver(this) onmouseout=OnTBMouseOut(this) ";
var commAttr = ' style="position:absolute;clip:rect($rect$);margin:$margin$;" title="$title$" ';
var commHead = '


//模块结构: 1.基础函数 2.接口定义 3.事件函数 4.HTML编辑框 5.全局事件绑定 6.全局变量声明
//基础函数
function GetDoc(win){ return (win?win:window).document;}
function S(i,win) {return GetDoc(win).getElementById(i);}
function F(sID,win) //sunny for firefox
{
if( sID == "" || sID == null ) return null;
var frame = S(sID,win);
if( !frame) return null;
return frame.contentWindow?frame.contentWindow:(win?win:window).frames[sID];
}
function Disp(obj,flag) // 0 隐藏,1显示
{
if(obj){ obj.style.display = flag?"":"none";}
}
function getPosX(e)
{
var l=e.offsetLeft;
while(e=e.offsetParent){
l+=e.offsetLeft;
}
return l;
}
function getPosY(e)
{
var t=e.offsetTop;
while(e=e.offsetParent){
t+=e.offsetTop;
}
return t;
}
String.prototype.trim = function(){
return this.replace(/(^\s*)|(\s*$)/g, "");
};
function ExecCmd(type, para){
LoadPos();
var f = F("HtmlEditor");
var sAlert = "";
if(!gIsIE)
{
switch(type){
case "Cut":
sAlert = "你的浏览器安全设置不允许编辑器自动执行剪切操作,请使用键盘快捷键(Ctrl+X)来完成";
break;
case "Copy":
sAlert = "你的浏览器安全设置不允许编辑器自动执行拷贝操作,请使用键盘快捷键(Ctrl+C)来完成";
break;
case "Paste":
sAlert = "你的浏览器安全设置不允许编辑器自动执行粘贴操作,请使用键盘快捷键(Ctrl+V)来完成";
break;
}
}
if(sAlert != ""){
alert(sAlert);
return;
}
f.focus();
var doc = f.document;
if(!para)
{
gIsIE?doc.execCommand(type):doc.execCommand(type,false,false);
}
else
{
//为了图片插入后把焦点放到图片后面
if (type == "InsertImage" && gIsIE) {
var r = doc.selection.createRange();
}
doc.execCommand(type,false,para);
//为了图片插入后把焦点放到图片后面
if (type == "InsertImage" && gIsIE) {
r.move("character");
r.select();
}
}
f.focus();
}
function IsValidURL(str)
{
return ( ( str.indexOf("://") > 1 ) || (str.indexOf(":\\") > 1) );
}
function addHyperLink() {
var f = F("HtmlEditor");
//哈哈,终于找到兼容mf噶方法
var sel = f.document.selection != null ? f.document.selection.createRange().text : f.document.getSelection();
if(sel.length>0)
{
var sURL=window.prompt("请输入链接的目标地址 ( e.g. http://www.qq.com/):", "http://");
if(sURL != null)
{
if( !IsValidURL(sURL))
{
sURL= "http://" + sURL;
}
F("HtmlEditor").document.execCommand("CreateLink",false,sURL);
}
}
else
{
alert("请先选择要连接的文字。");
}
}
function addImage()
{
var width="380px", height="150px";
//modify by angusdu 2006-10-13
//showModalDialog("uploadImg.htm", window, vfeature);
var url = "uploadImg.htm";
if(gIsIE)//IE
{
window.showModalDialog(url,window,"dialogWidth:" + width + ";dialogHeight:" + height + ";center:Yes;help:off;status:no;scroll:no");
}
else
{
window.open(url,window,"width="+width+",height="+height+",menubar=no,toolbar=no,location=no,scrollbars=no,status=no,modal=yes");
}
}
function getIEVer(){
var s = navigator.userAgent;
if(s.indexOf("MSIE")>-1)
return parseFloat(s.split(";")[1].replace("MSIE",""));
}
//接口定义
function editor()
{
this.get_contents = GetContents;
this.get_plaincontents = GetPlainContents;
this.put_contents = PutContents;
this.put_plaincontents = PutPlainContents;
this.put_firstline = PutFirstLine;
}
function PutFirstLine(s)
{
return;
}
function GetContents() {
if (curEditor == "source")
return S("sourceEditor").value;
return HtmlEditor.document.body.innerHTML;
}
function GetPlainContents() {
//modify by angusdu 2006-10-11
var bc = HtmlEditor.document.body;
if (curEditor == "source")
bc.innerHTML = S("sourceEditor").value;
if (bc.innerText != null) {
return bc.innerText;
}
else {
return bc.textContent;
}
}
function PutContents(contents)
{
HtmlEditor.document.designMode="on";
HtmlEditor.document.body.innerHTML = contents;
SetDiv();
S("sourceEditor").value = HtmlEditor.document.body.innerHTML;
}
function PutPlainContents(contents)
{
HtmlEditor.document.designMode="on";
//modify by angusdu 2006-10-12
var bc = HtmlEditor.document.body;
if (bc.innerText != null) {
bc.innerText = contents;
}
else {
bc.textContent = contents;
}
S("sourceEditor").value = HtmlEditor.document.body.innerHTML;
}
//==========
//事件函数
function OnLoad() {
try
{
if( !window.top.isFireFox)
{
F("HtmlEditor").document.designMode="on";
}
gLoaded = true;
SetEditable();
SetFrameClick();
document.parentWindow.onclick=HideMenu();
}catch(e){
}
setTimeout(SetColor,100); //--sunny 一开始就画颜色表,那么第一次就不会慢了
}
var editorTxtRange = null;
function SavePos() {
if (document.selection) {
editorTxtRange = F("HtmlEditor").document.selection.createRange();
}
}
function LoadPos() {
if (editorTxtRange) {
editorTxtRange.select();
editorTxtRange = null;
}
}
// sunny : foreColor与backColor只是负责弹出ColorBoard,不需要ExecCmd (此时ExecCmd会导致白色)
function OnForeColor(e) {
SavePos();
HideMenu();
var sColor = DispColorBrd(e);
gSetColorType = "foreColor";
if(gIsIE && gIEVer {
ExecCmd(gSetColorType, sColor);
}
return ;
}
function OnBackColor(e){
SavePos();
HideMenu();
var sColor = DispColorBrd(e,1);
gSetColorType = (gIsIE)?"backColor":"hilitecolor";
if(gIsIE && gIEVer {
ExecCmd(gSetColorType, sColor);
}
return
}
function OnMo(e) {
SavePos();
HideMenu();
var sMo = DispMoBrd(e);
if(gIsIE && gIEVer {
ExecCmd("InsertImage",sMo);
}
return ;
}
function OnTBMouseOver(obj) {
SetBorderMouse(obj,0);
}
function OnTBMouseDown(obj) {
SetBorderMouse(obj,1);
}
function OnTBMouseOut(obj) {
obj.style.border="none";
}
//HTML编辑框
function SetEditable(){
var doc = window.frames["HtmlEditor"].document;
doc.designMode="on";
if(!gIsIE) {
// angus:难怪,察看ff的文档发现,如此说明: use false to use CSS, true to use HTML
doc.execCommand("useCSS",false, false);
}
}
function SetFrameClick(){
var frm = window.frames["HtmlEditor"];
var doc = frm.document;
doc.onmousemove = function(){
window.onblur();
};
doc.onclick = function(){
//alert("aa")
HideMenu();
};
doc.onkeydown = function()
{
if(frm.event.keyCode == 13 && frm.event.ctrlKey)
{
if(parent.DoCtrlEnter) parent.DoCtrlEnter();
}
//top.frames["jsFrame"].gIsEdited = true;
};
}
function SetDiv()
{
var loc = "" + window.parent.location;
if(loc.indexOf("setting") > 0)
{
Disp(document.getElementById("add_pic_id"),0);
/* removed by angusdu 2006-11-17
if( !/^
{
HtmlEditor.document.body.innerHTML = HtmlEditor.document.body.innerHTML+"
}
*/ S("HtmlEditor").style.height = gIsIE ? "182px" : "188px";
S("sourceEditor").style.height = "184px";
S("sourceEditor").style.width = "100%";
S("htmlbtn").style.marginLeft = "393px";
}
else if (loc.indexOf("compose_card") > 0)
{
Disp(document.getElementById("add_pic_id"),0);
S("HtmlEditor").style.height = "181px";
S("sourceEditor").style.height = "183px";
S("sourceEditor").style.width = "100%";
}
else if(loc.indexOf("compose") > 0)
{
if(GetSetting())
{
if( HtmlEditor.document.getElementById("QQMail_signature") )
{
HtmlEditor.document.getElementById("QQMail_signature").innerHTML = GetSetting().nSignature;
}
}
}
var doc = F("HtmlEditor").document;
doc.designMode="on";
// HtmlEditor.document.body.innerHTML="
if(doc.body)
{
doc.body.style.background = '#ffffff';
doc.body.style.fontSize = '12px';
doc.body.style.fontFamily = 'verdana';
try
{
if( HtmlEditor.document.body.innerHTML.indexOf("
{
doc.body.style.margin = '0.5% 0 0 0';
doc.body.style.background = '#fff';
doc.body.style.fontSize = '12px';
return;
}
}catch(e)
{}
doc.body.style.margin = '4px';
}
}
function SetColor(){
var dvForeColor =S("dvForeColor");
if(dvForeColor.getElementsByTagName("TABLE").length == 1){
dvForeColor.innerHTML = paintCube();//+ dvForeColor.innerHTML;
//window.top.document.write(dvForeColor.innerHTML);
}
}
function SetMo(){
var dvMo =S("dvMo");
dvMo.innerHTML = moCube();
}
//工具栏
//add by angusdu 2006-10-13
function showDialog(url, type, feature)
{
if(gIsIE)//IE
{
return window.showModalDialog(url,type,feature);
}
else
{
//modelessDialog可以将modal换成dialog=yes
feature ="width=300,height=200,menubar=no,toolbar=no,location=no,";
feature+="scrollbars=no,status=no,modal=yes";
window.open(url,type,feature);
}
}
function DispColorBrd(e,isBC){
if(gIEVer var arr = showModalDialog("color_slt.html", "", "font-family:Verdana; font-size:12; status:no; dialogWidth:17em; dialogHeight:14em");
if (arr != null) return arr;
return;
}
var dvForeColor =S("dvForeColor");
SetColor();
Disp(dvForeColor,1);
dvForeColor.style.left = (isBC?bcL:fcL) + "px";
dvForeColor.style.top = 33 + "px";
dvForeColor.focus();
e.cancelBubble =true;
return true;
}
function DispMoBrd(e) {
if(gIEVer var arr = showModalDialog("mo_slt.html", "", "font-family:Verdana; font-size:12; status:no; dialogWidth:265px; dialogHeight:190px");
if (arr != null) return arr;
return;
}
var dvMo =S("dvMo");
SetMo();
Disp(dvMo, 1);
dvMo.focus();
e.cancelBubble =true;
return true;
}
function CommCheck(obj,str,func)
{
if (obj.id == str) {
return true;
}
if(obj.parentNode) {
return func(obj.parentNode);
}
return false;
}
function CommObjectCheck(obj, inObj)
{
if (obj == inObj)
{
return true;
}
if(obj.parentNode) {
return CommObjectCheck(obj.parentNode, inObj);
}
return false;
}
function HideMenu()
{
var elementTable=["fontface","fontsize","dvForeColor","dvPortrait","divAlign","divList","dvMo"];
for(var i=0;i
}
function IsInColorBrd(obj){
return CommCheck(obj,"dvForeColor",IsInColorBrd);
}
function IsInFontFaceBrd(obj){
return CommCheck(obj,"fontface",IsInFontFaceBrd);
}
function IsInFontSizeBrd(obj){
return CommCheck(obj,"fontsize",IsInFontSizeBrd);
}
function IsInMoBrd(obj){
return CommCheck(obj,"dvMo",IsInMoBrd);
}
function SetBorderMouse(obj,flag) // flag : 0 over 1 out
{
var d = [
["1px solid #fff","1px solid #fff","1px solid #F3F8FC","1px solid #F3F8FC"]
,["1px solid #ccc","1px solid #ccc","1px solid #F3F8FC","1px solid #ccc"]][flag];
obj.style.borderTop=d[0];
obj.style.borderRight=d[1];
obj.style.borderBottom=d[2];
obj.style.borderLeft=d[3];
}
function DispBoard(element,displayValue,nLeft) {
if(gIEVer if(element == "fontface"){
var sReturnValue = showModalDialog("fontface_slt.html","", "font-family:Verdana; font-size:12; status:no; unadorned:yes; scroll:no; resizable:yes;dialogWidth:112px; dialogHeight:271px");;
ExecCmd("fontname",sReturnValue);
}else if(element == "fontsize"){
var sReturnValue = showModalDialog("fontsize_slt.html","", "font-family:Verdana; font-size:12; status:no; unadorned:yes; scroll:no; resizable:yes;dialogWidth:130px; dialogHeight:250px");;
ExecCmd("fontsize",sReturnValue);
}
return;
}
HideMenu();
if ( typeof element == "string" )
element = S(element);
if (element == null) return;
element.style.display = displayValue;
SavePos();
if(gIsIE){
var e = event;
}else{
var e = ev;
}
var iX = e.clientX;
var iY = e.clientY;
Disp(element,1);
element.style.left = ((null==nLeft)?(iX-30):nLeft) + "px";
element.style.top = 33 + "px";
setTimeout("document.getElementById('"+element.id+"').focus();", 500);
return true;
}
function SaveEvent(e){
ev = e;
}
//qqmail增加的函数
function fSetReplyContent(){
try{
win.fSetComposeContent(win.gReplyContent);
window.frames["HtmlEditor"].focus();
}catch(exp){
window.setTimeout('fSetReplyContent()',1000);
}
win.gReplyContent = null;
}
function setContentType(ContentType)
{
alert("setContentType");
if(ContentType=="text")
{
PutContents(GetPlainContents());
}
window.parent.contenttype.value=ContentType;
}
function GetSetting()
{
try
{
return window.top.GetApp().setting;
}catch(e)
{}
return null;
}
function BrdBlur() {
if (gIsIE)
{
if (!CommObjectCheck(document.activeElement, event.srcElement)) {
setTimeout("LoadPos();HideMenu();", 10);
}
}
}
//全局事件绑定
window.onblur =function(){
if(!gIsIE){
HideMenu();
}
};
window.onerror = function(){
return true;
};
document.onmousemove = function(e){
/* if(gIsIE) var el = event.srcElement;
else var el = e.target;
var tdView = S("tdView");
var tdColorCode = S("tdColorCode");
var dvForeColor =S("dvForeColor");
var dvPortrait =S("dvPortrait");
var fontsize =S("fontsize");
var fontface =S("fontface");
if(el.tagName == "IMG"){
try{
if(IsInColorBrd(el)){
//tdView.bgColor = el.parentNode.bgColor;
//tdColorCode.innerHTML = el.parentNode.bgColor
}
}catch(e){}
}else{
return;
Disp(dvForeColor,0);
if(!IsInFontFaceBrd(el)) Disp(fontface,0);
if(!IsInFontSizeBrd(el)) Disp(fontsize,0);
}
*/
};
function DectoHex(num) {
var i,j=20,str = "#",N="ABCDEF";
while(j >= 0) {
i = (num >> j)%16;
str += (i>9)?N.charAt(i-10):i;
j -= 4;
}
return str;
}
function GetColorFromBg(bg)
{
var i = bg.indexOf("("),j=bg.indexOf(")"),s=bg.substr(i+1,j-i-1).split(",");
return DectoHex((s[0]}
document.onclick = function(e){
if(gIsIE) var el = event.srcElement;
else var el = e.target;
var dvForeColor =S("dvForeColor");
var dvPortrait =S("dvPortrait");
try{
if(IsInColorBrd(el)){
//var _bgColor = (el.tagName == "IMG") ? el.parentNode.bgColor : el.bgColor;
var t = el;
if( t.tagName != "IMG") {
t = t.getElementsByTagName("IMG")[0];
}
var _bgColor = t.style.background+"";
if(_bgColor.indexOf(")") > -1) //firefox
{
_bgColor = GetColorFromBg(_bgColor);
}
ExecCmd(gSetColorType, _bgColor);
Disp(dvForeColor,0);
return;
}
if (IsInMoBrd(el)) {
var t = el;
if( t.tagName == "TD") {
t = el.getElementsByTagName("IMG")[0];
}
if (t.tagName == "IMG" && t.attributes["data"] != null)
{
ExecCmd("InsertImage", giMoBaseUrl + t.attributes["data"].nodeValue);
Disp(S("dvMo"), 0);
}
return;
}
}catch(e){}
HideMenu();
var idTable = [
"imgFontface","fontface"
,"imgFontsize","fontsize"
,"imgFontColor","fontsize"
,"imgBackColor","dvForeColor"
,"imgFace","dvPortrait"
,"imgAlign","divAlign"
,"imgList","divList"];
for(var i=0;i
{
var obj = S(idTable[i+1]);
obj?(obj.style.display = ""):0;
break;
}
}
};
//全局变量
public_description = new editor;
var gSetColorType = "";
var gIsIE = document.all;
var gIEVer = getIEVer();
var gLoaded = false;
var ev = null;
//增加源代码编辑器...
//add by angusdu 2006-11-21
var curEditor = "Html";
function EnableToolBar(flag) {
var tools = document.getElementsByName("tool_mask");
for (i = tools.length - 1; i >= 0; i--) {
Disp(tools[i], flag);
}
if (S("add_pic_id").style.display == "") {
Disp(S("add_pic_mask_id"), flag);
}
}
function ChangeEditor() {
if (curEditor == "Html") {
curEditor = "source";
Disp(S("sourceEditor"), 1);
Disp(S("HtmlEditor"), 0);
S("sourceEditor").value = HtmlEditor.document.body.innerHTML;
S("sourceEditor").focus();
S("htmlbtn").title = "图文编辑";
S("htmlbtn").innerHTML = "";
EnableToolBar(1);
}
else {
curEditor = "Html";
Disp(S("sourceEditor"), 0);
Disp(S("HtmlEditor"), 1);
HtmlEditor.document.body.innerHTML = S("sourceEditor").value;
F("HtmlEditor").focus();
S("htmlbtn").title = "编辑HTML源码";
S("htmlbtn").innerHTML = "";
EnableToolBar(0);
}
}
function GetEditorType() {
return (curEditor == "Html" ? "Html" : "source");
}
//增加对编辑器的高度修改接口
var gMinSize = 0;
function GetMinSize() {
if (!gMinSize) {
gMinSize = parseInt(S("HtmlEditor").style.height);
}
return gMinSize;
}
function AddElementHeight(el, l) {
el.style.height = (parseInt(el.style.height) + l) + "px";
}
function StretchEditor(bIsLarge, l, frameid) {
//默认伸缩长度为50px
l = (l != null ? l : 50);
var pw = window.parent;
var pwif = pw.document.getElementsByTagName("iframe");
for (i = pwif.length - 1; i >= 0; i--) {
if (pwif[i].id && (frameid ? pwif[i].id == frameid : GetDoc(pw.frames[pwif[i].id]).body.innerHTML == GetDoc().body.innerHTML)) {
if (parseInt(S("HtmlEditor").style.height) return;
}
l = (bIsLarge ? l : (-1)*l);
AddElementHeight(pwif[i], l);
AddElementHeight(S("HtmlEditor"), l);
AddElementHeight(S("sourceEditor"), l);
return ;
}
}
}
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Bagaimana cara menggabungkan elemen array dengan ID yang sama ke dalam satu objek dalam JavaScript? Semasa memproses data, kita sering menghadapi keperluan untuk mempunyai id yang sama ...

Perbincangan mendalam mengenai punca-punca utama perbezaan dalam output konsol.log. Artikel ini akan menganalisis perbezaan hasil output fungsi Console.log dalam sekeping kod dan menerangkan sebab -sebab di belakangnya. � ...
