JS封装的自动创建表格的实现代码

<script type="text/javascript">
var currentActiveRow; //选中的颜色
var customTable = function() { };
customTable.prototype = {
init: {
ajaxUrl: "",
tId: "tbody",
delMsg: "确认要删除吗?"
},
ajax: function(params, callback) {
var that = this;
$.ajax({
type: "get",
cache: false,
dataType: "json",
url: that.init.ajaxUrl,
data: params,
success: arguments[1] || function() { },
error: arguments[2] || function() {
if (window.console) {
console.log("error log: " + data.responseText);
}
}
});
},
initData: function() {
var that = this;
var params = {
ajaxMethod: "getbookbag",
random: Math.random()
};
var suc = function(data) {
if (data.isSuccess === 1) {
} else {
}
};
var err = function() {
};
ttable.ajax(params, suc, err);
},
addRow: function() {
var tbody = document.getElementById(this.init.tId);
var rowNo = tbody.rows.length;
tbody.insertRow(rowNo);
tbody.rows[rowNo].insertCell(0);
tbody.rows[rowNo].cells[0].appendChild(document.createTextNode(rowNo + 1)); //innerText = "0001";//innerText 和innerHTML
tbody.rows[rowNo].insertCell(1);
tbody.rows[rowNo].cells[1].innerHTML = "<input name='radioRMS' type='radio' value='1'></input>";
tbody.rows[rowNo].insertCell(2);
tbody.rows[rowNo].cells[2].innerHTML = "<input name='checkboxRMS' type='checkbox' value='1'></input>";
tbody.rows[rowNo].insertCell(3);
tbody.rows[rowNo].cells[3].innerHTML = "<input name='descript' type='text' value='des" + (rowNo + 1) + "'></input>";
tbody.rows[rowNo].insertCell(4);
tbody.rows[rowNo].cells[4].innerHTML = "<input type='button' value='删除' onclick='ttable.deleteRow(event)'/><input type='button' value='编辑' onclick='ttable.editRow(event)'/><a href='javascript:void(0)' onclick='ttable.moveUp(this)'>↑</a> &nbsp;&nbsp;<a href='javascript:void(0)' onclick='ttable.moveDown(this)'>↓</a>";
tbody.rows[rowNo].onclick = ttable.changeActiveRow;
},
deleteRow: function(eve) {
if (confirm(this.init.delMsg)) {
element = window.event ? window.event.srcElement : eve.target;
var rowNo = element.parentNode.parentNode.rowIndex;
var tbody = document.getElementById(this.init.tId);
tbody.deleteRow(rowNo - 1);
}
},
editRow: function() {
var element = window.event ? window.event.srcElement : eve.target;
alert(element);
},
changeActiveRow: function() { //设置选中行的背景色
eve = arguments[0];
element = window.event ? window.event.srcElement : eve.target;
obj = element.parentNode;
while (obj && obj.tagName != "TR") {
obj = obj.parentNode;
if (currentActiveRow)
currentActiveRow.style.backgroundColor = "";
currentActiveRow = obj;
currentActiveRow.style.backgroundColor = "Red";
}
},
cleanWhitespace: function(element) {
//遍历element的子节点
for (var i = 0; i < element.childNodes.length; i++) {
var node = element.childNodes[i];
if (node.nodeType == 3 && !/\s/.test(node.nodue))
node.parentNode.removeChild(node);
} //使表格行上移，接收参数为链接对象
},
moveUp: function(_a) {
var _table = document.getElementById(this.init.tId);
ttable.cleanWhitespace(_table);
//var _row = _a.parentNode.parentNode;
var _row = currentActiveRow;
//如果不是第一行 交换顺序
if (_row.previousSibling)
ttable.swapNode(_row, _row.previousSibling);
},
moveDown: function(_a) {
var _table = document.getElementById(this.init.tId);
ttable.cleanWhitespace(_table);
//通过链接对象获取表格行的引用
//var _row = _a.parentNode.parentNode;
var _row = currentActiveRow;
//如果不是最后一行 则与下一行交换顺序
if (_row.nextSibling)
ttable.swapNode(_row, _row.nextSibling);
},
swapNode: function(node1, node2) {
var _parent = node1.parentNode;
var _t1 = node1.nextSibling;
var _t2 = node2.nextSibling;
//将node2插入到原来node1的位置
if (_t1)
_parent.insertBefore(node2, _t1);
else
_parent.appendChild(node2);
//将node1插入到原来ndoe2的位置
if (_t2)
_parent.insertBefore(node1, _t2);
else
_parent.appendChild(node1);
}
}
var ttable = new customTable();
</script>

<table border="1" id="tableSpan">
<thead id="thead">
<tr onclick="ttable.changeActiveRow(this);">
<td>
序号
</td>
<td>
缺省
</td>
<td>
启用
</td>
<td>
选项内容
</td>
<td>
操作
</td>
</tr>
</thead>
<tbody id="tbody">
</tbody>
</table>
<button onclick="ttable.addRow()" value="添加">
添加</button>
<button onclick="ttable.moveUp()" value="添加">
↑</button>
<button onclick="ttable.moveDown()" value="添加">
↓</button>