ceshi

//***************获取Table中的数据，并提供Xml内容的支持类***********
//获取指定id对应的Table对象
function TableXmlEngen(oTab) {
    var oTable;
    if (!oTab) {
    }
    else {
        oTable = oTab;
    }
    this.Init = function(oTab) {
        oTable = oTab;
    };
    //返回属性满足要求的所有行的数组对象
    this.getRows = function(oTable, sJuageAttr, sFitValue) {
        var nIndex = 0;
        var oRows = new Array();
        for (nIndex = 0; nIndex < oTable.rows.length; nIndex++) {
            if (oTable.rows[nIndex].getAttribute(sJuageAttr) == sFitValue) {
                //add to array
                oRows.push(oTable.rows[nIndex]);
            }
            else if (!sJuageAttr || !sFitValue) {
                //如果第二、三任何一个数据不存在，则表示不过滤
                oRows.push(oTable.rows[nIndex]);
            }
        }
        return oRows;
    };
    //返回一行的所有的列的属性值
    //依赖于：getUseAttributes
    this.getRowProperty = function(oRow) {
        var oPropertys = [];
        var nIndex = 0;
        for (nIndex = 0; nIndex < oRow.cells.length; nIndex++) {
            oPropertys.push(getUseAttributes(oRow.cells[nIndex]));
        }
        return oPropertys;
    };
    //返回的是键值对的集合,name:value;
    //函数返回所有的有意义的属性和属性值，默认的空白属性和属性值都不会返回
    this.getUseAttributes = function(oUnit) {
        var nIndex = 0;
        var oAttrs = [];
        var oTmpData = {};
        for (nIndex = 0; nIndex < oUnit.attributes.length; nIndex++) {
            var oAttribute = oUnit.attributes[nIndex];
            if (oAttribute.value != "null" && !oAttribute.value == false) {
                oTmpData = { name: oAttribute.name, value: oAttribute.value };
                oAttrs.push(oTmpData);
            }
        }
        return oAttrs;
    };

    this.getRowData = function(oRow) {
        var oRowData = [];
        var nIndex = 0;
        for (nIndex = 0; nIndex < oRow.cells.length; nIndex++) {
            if (!oRow.cells[nIndex].getAttribute("name")) {
                var oDic = { name: "name" + nIndex, value: oRow.cells[nIndex].innerHTML };
                oRowData.push(oDic);
            }
            else {
                var oDic = { name: oRow.cells[nIndex].getAttribute("name"), value: oRow.cells[nIndex].innerHTML };
                oRowData.push(oDic);
            }
        }
        oRowData.appendData = function(oXml, oTopNode) {
            var oNewNode = oXml.createElement("data");
            var nIndex = 0;
            oTopNode.appendChild(oNewNode);
            for (nIndex = 0; nIndex < oRowData.length; nIndex++) {
                var oNode = oXml.createElement("data-collum");
                var oNodeText = oXml.createTextNode(oRowData[nIndex].value);
                oNode.setAttribute("name", oRowData[nIndex].name);
                oNode.appendChild(oNodeText);
                oNewNode.appendChild(oNode);
            }
            return;
        };
        return oRowData;
    };

    this.getTableData = function(sRowType, sTypeValue) {
        var nIndex = 0;
        var oTableInfo = [];
        var oRows = getRows(oTable, sRowType, sTypeValue);
        for (nIndex = 0; nIndex < oRows.length; nIndex++) {
            oTableInfo.push(getRowData(oRows[nIndex]));
        }
        oTableInfo.createXmlObj = function() {
            var sXml = "";
            var nIndex = 0;
            var oXml = new ActiveXObject("Microsoft.XMLDOM");   //先创建好一个空的Xml对象
            var oTopNode = oXml.createElement("SunSoft_Data");  //创建一个顶级节点
            oXml.appendChild(oTopNode);                         //将这个顶级节点加到Xml对象上
            //oTopNode是顶级Node（节点）
            for (nIndex = 0; nIndex < oTableInfo.length; nIndex++) {
                oTableInfo[nIndex].appendData(oXml, oTopNode);  //为顶级节点增加子节点，每个子节点代表一行的数据，调用的是oRowData.appendData方法
            }
            return oXml;
        }
        return oTableInfo;
    };
}