var beginMoving=false;
function MouseDownToMove(obj){
obj.style.zIndex=1;
obj.mouseDownY=event.clientY;
obj.mouseDownX=event.clientX;
beginMoving=true;
obj.setCapture();
}
function MouseMoveToMove(obj){
if(!beginMoving) return false;
obj.style.top = (event.clientY-obj.mouseDownY);
obj.style.left = (event.clientX-obj.mouseDownX);
}
function MouseUpToMove(obj){
if(!beginMoving) return false;
obj.releaseCapture();
obj.style.top=0;
obj.style.left=0;
obj.style.zIndex=0;
beginMoving=false;
var tempTop=event.clientY-obj.mouseDownY;
var tempRowIndex=(tempTop-tempTop%25)/25;
if(tempRowIndex+obj.rowIndex <0 )tempRowIndex=-1;
else tempRowIndex=tempRowIndex+obj.rowIndex;
if(tempRowIndex >= obj.parentElement.rows.length-1) tempRowIndex = obj.parentElement.rows.length-1;
obj.parentElement.moveRow(obj.rowIndex,tempRowIndex);
}
</script>
用鼠标移动TR<br>
<TABLE WIDTH="300" BORDER="1" >
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD bgcolor=blue>0</TD><TD>0</TD><TD>0</TD></TR>
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD bgcolor=black>1</TD><TD>1</TD><TD>1</TD></TR>
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD bgcolor=red>2</TD><TD>2</TD><TD>2</TD></TR>
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD>3</TD><TD>3</TD><TD>3</TD></TR>
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD>4</TD><TD>4</TD><TD>4</TD></TR>
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD>5</TD><TD>5</TD><TD>5</TD></TR>
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD>6</TD><TD>6</TD><TD>6</TD></TR>
<TR bgcolor=#ffffff style='height:25;position:relative;' onmousedown='MouseDownToMove(this)' onmousemove='MouseMoveToMove(this)' onmouseup='MouseUpToMove(this);'><TD>7</TD><TD>7</TD><TD>7</TD></TR>
</TABLE>
这篇博客介绍了一种使用JavaScript实现表格行拖动排序的方法。通过在表格的TR元素上绑定onmousedown, onmousemove和onmouseup事件,实现鼠标按下、移动和释放时表格行的动态调整。在MouseUpToMove函数中,根据鼠标位置计算新的行位置,并使用moveRow方法将行移动到合适的位置,从而达到拖动排序的效果。"
113518650,10295317,Python3打印十六进制大小写详解,"['Python', '编程基础', '数据类型', '字符串']
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