html表格代码:HTML拖放表格代码
来源: 发布时间:星期五, 2008年9月26日 浏览:171次 评论:0
现在网上实现表格拖放效果的网页很多,可是究竟是怎么实现的呢?今天把一段简单是实现代码贴出来,供大家参考!
<style> *{font-size:12px} .dragTable{ font-size:12px; margin-bottom:5px; } td{vertical-align:top;} .dragTR{ cursor:move; color:#7787cc; background-color:#e5eef9; height:20px; padding-left:5px; font-weight:bold; } #parentTable{ border-collapse:collapse; letter-spacing:25px; } </style> <scriptdefer> varDrag={dragged:false, ao:null, tdiv:null, dragStart:function(){ Drag.ao=event.srcElement; if((Drag.ao.tagName==\"TD\")||(Drag.ao.tagName==\"TR\")){ Drag.ao=Drag.ao.offsetParent; Drag.ao.style.zIndex=100; }else return; Drag.dragged=true; Drag.tdiv=document.createElement(\"div\"); Drag.tdiv.innerHTML=Drag.ao.outerHTML; Drag.ao.style.border=\"1pxdashedred\"; Drag.tdiv.style.display=\"block\"; Drag.tdiv.style.position=\"absolute\"; Drag.tdiv.style.filter=\"alpha(opacity=70)\"; Drag.tdiv.style.cursor=\"move\"; Drag.tdiv.style.border=\"1pxsolid#000000\"; Drag.tdiv.style.width=Drag.ao.offsetWidth; Drag.tdiv.style.height=Drag.ao.offsetHeight; Drag.tdiv.style.top=Drag.getInfo(Drag.ao).top; Drag.tdiv.style.left=Drag.getInfo(Drag.ao).left; document.body.appendChild(Drag.tdiv); Drag.lastX=event.clientX; Drag.lastY=event.clientY; Drag.lastLeft=Drag.tdiv.style.left; Drag.lastTop=Drag.tdiv.style.top; },
draging:function(){//重要:判断MOUSE的位置 if(!Drag.dragged||Drag.ao==null)return; vartX=event.clientX; vartY=event.clientY; Drag.tdiv.style.left=parseInt(Drag.lastLeft)+tX-Drag.lastX; Drag.tdiv.style.top=parseInt(Drag.lastTop)+tY-Drag.lastY; for(vari=0;i<parentTable.cells.length;i++){ varparentCell=Drag.getInfo(parentTable.cells[i]); if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){ varsubTables=parentTable.cells[i].getElementsByTagName(\"table\"); if(subTables.length==0){ if(tX>=parentCell.left&&tX<=parentCell.right&&tY>=parentCell.top&&tY<=parentCell.bottom){ parentTable.cells[i].appendChild(Drag.ao); } break; } for(varj=0;j<subTables.length;j++){ varsubTable=Drag.getInfo(subTables[j]); if(tX>=subTable.left&&tX<=subTable.right&&tY>=subTable.top&&tY<=subTable.bottom){ [Page] parentTable.cells[i].insertBefore(Drag.ao,subTables[j]); break; }else{ parentTable.cells[i].appendChild(Drag.ao); } } } } } , dragEnd:function(){ if(!Drag.dragged)return; Drag.dragged=false; Drag.mm=Drag.repos(150,15); Drag.ao.style.borderWidth=\"0px\"; Drag.ao.style.borderTop=\"1pxsolid#3366cc\"; Drag.tdiv.style.borderWidth=\"0px\"; Drag.ao.style.zIndex=1; }, getInfo:function(o){//取得坐标 varto=newObject(); to.left=to.right=to.top=to.bottom=0; vartwidth=o.offsetWidth; vartheight=o.offsetHeight; while(o!=document.body){ to.left+=o.offsetLeft; to.top+=o.offsetTop; o=o.offsetParent; } to.right=to.left+twidth; to.bottom=to.top+theight; returnto; }, repos:function(aa,ab){ varf=Drag.tdiv.filters.alpha.opacity; vartl=parseInt(Drag.getInfo(Drag.tdiv).left); vartt=parseInt(Drag.getInfo(Drag.tdiv).top); varkl=(tl-Drag.getInfo(Drag.ao).left)/ab; varkt=(tt-Drag.getInfo(Drag.ao).top)/ab; varkf=f/ab; returnsetInterval(function(){if(ab<1){ clearInterval(Drag.mm); Drag.tdiv.removeNode(true); Drag.ao=null; return; } ab--; tl-=kl; tt-=kt; f-=kf; Drag.tdiv.style.left=parseInt(tl)+\"px\"; Drag.tdiv.style.top=parseInt(tt)+\"px\"; Drag.tdiv.filters.alpha.opacity=f; } ,aa/ab) }, inint:function(){//初始化 for(vari=0;i<parentTable.cells.length;i++){
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