/**
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* 添加子表行
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* @param subTabName
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* @param rowData
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*/
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function addSubTabRow(subTabName, rowData) {
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//获取对应的子表
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var elementName = "#subtable\\|" + subTabName;
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var subTab = $(elementName);
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if (subTab.length = 0) {
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return;
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}
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//获取模板列变量
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var templateHtml = window["templateHtml_" + subTabName];
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if (!templateHtml) {
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return;
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}
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var newRow = $(templateHtml);
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var index = $(elementName + " tr.datarow").length + 1;
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//把行数据放到元素的数据中去
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newRow.data("rowData", rowData);
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//如果有序号字段，则生成序号
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if (newRow.children("td.serial")) {
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newRow.children("td.serial").html(index);
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}
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if (rowData) {
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var props = Object.getOwnPropertyNames(rowData);
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for (var i = 0; i < props.length; i++) {
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var prop = props[i];
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var elmName = "subtable|" + subTabName + "|" + prop;
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var elms = $(newRow).find("[name='" + elmName + "']");
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if (elms.length > 0) {
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$(elms[0]).val(rowData[prop]);
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}
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//查找是否有标签
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var elmLabelName = "subtable|" + subTabName + "|" + prop + "|label";
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var elmLabels = $(newRow).find("[name='" + elmLabelName + "']");
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if (elmLabels.length > 0) {
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$(elmLabels[0]).html(rowData[prop]);
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}
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}
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}
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//将新行添加到子表中
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newRow.appendTo(elementName + " tbody");
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//解析新添加的行
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$.parser.parse(elementName);
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}
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function updateSubTabRowDatas(subTabName, newRowDatas, keyField) {
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//读取原有的rowDatas
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var rowDatas = getSubTabRowDatas(subTabName);
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//循环新数据，看是否需要添加进来
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for (var index in newRowDatas) {
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var isExists = false;
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for (var n = 0; n < rowDatas.length; n++) {
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if (rowDatas[n] && rowDatas[n][keyField] != "" && rowDatas[n][keyField] == newRowDatas[index][keyField]) {
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isExists = true;
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break;
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}
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}
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if (!isExists) {
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addSubTabRow(subTabName, newRowDatas[index]);
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}
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}
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//循环老数据，看是否需要删除
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for (var n = rowDatas.length - 1; n >= 0; n--) {
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var isExists = false;
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if (rowDatas[n]) {
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for (var index in newRowDatas) {
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if (rowDatas[n][keyField] != "" && rowDatas[n][keyField] == newRowDatas[index][keyField]) {
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isExists = true;
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break;
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}
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}
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}
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if (!isExists) {
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removeSubTabRowByIndex(subTabName, n);
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}
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}
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}
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//获取子表数据行的原始数据
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function getSubTabRowDatas(subTabName) {
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var rowDatas = [];
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//获取对应的子表
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var elementName = "#subtable\\|" + subTabName;
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var subTab = $(elementName);
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if (subTab.length = 0) {
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return rowDatas;
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}
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var trs = $(elementName + " tr.datarow");
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for (var i = 0; i < trs.length; i++) {
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var tr = trs[i];
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var rowData = $(tr).data("rowData");
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//如果没有数据，则从字段中去读取
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if (!rowData) {
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var inputs = $(tr).find("input");
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if (inputs.length > 0) {
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rowData = new Object();
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for (var n = 0; n < inputs.length; n++) {
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var input = inputs[n];
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var inputName = $(input).attr("name");
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if (inputName) {
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var nameArr = inputName.split("|");
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if (nameArr.length == 3) {
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rowData[nameArr[2]] = $(input).val();
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}
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}
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}
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}
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}
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rowDatas.push(rowData);
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}
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return rowDatas;
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}
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function removeSubTabRowByIndex(subTabName, index) {
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//获取对应的子表
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var elementName = "#subtable\\|" + subTabName;
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var tr = $(elementName + " tr.datarow:eq(" + index + ")");
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if (tr.length > 0) {
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removeSubTabRow(tr[0]);
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}
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}
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/**
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* 删除子表行
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* @param obj
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*/
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function removeSubTabRow(obj) {
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var tr = $(obj).closest("tr");
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var table = $(obj).closest("table");
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if (tr.length == 0 && table.length == 0) {
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return;
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}
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//判断是否有ID，有ID则说明在数据库中，需要添加到待删除列表
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var tableIdName = $(table).attr("id");
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var idElemName = tableIdName + "|id";
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var idElem = $(tr).find("[name='" + idElemName + "']");
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if (idElem.length > 0) {
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id = $(idElem[0]).val();
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if (id != "") {
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var waitDeleteIdsElem = $("[name='" + tableIdName + "|waitDeleteIds'");
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if (waitDeleteIdsElem.length > 0) {
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var waitDeleteIds = $(waitDeleteIdsElem[0]).val();
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if (waitDeleteIds != "") {
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waitDeleteIds += ",";
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}
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waitDeleteIds += id;
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$(waitDeleteIdsElem[0]).val(waitDeleteIds);
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}
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}
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}
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//删除行
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$(tr).remove();
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//如果有序号行,则重新生成序号
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var serialCols = $(table).find("td.serial");
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if (serialCols.length > 0) {
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$(serialCols).each(function (index, val) {
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$(val).html(index + 1);
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});
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}
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}
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/**
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* 处理表单数据中的子表数据（将子表数据转换为对象）
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* @param formData
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*/
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function dealSubTabData(formData) {
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var propertys = Object.getOwnPropertyNames(formData);
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for (var i = 0, len = propertys.length; i < len; i++) {
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var prop = propertys[i];
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if (prop.indexOf("subtable|") == 0) {
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var parts = prop.split('|');
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if (parts.length == 3) {
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var subTabName = parts[1];
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var fieldName = parts[2];
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if (!formData.hasOwnProperty("subTabItems")) {
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formData.subTabItems = new Object();
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}
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if (!formData.subTabItems.hasOwnProperty(subTabName)) {
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formData.subTabItems[subTabName] = new Object();
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formData.subTabItems[subTabName].items = new Array();
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formData.subTabItems[subTabName].waitDeleteIds = "";
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}
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if (fieldName == "waitDeleteIds") {
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formData.subTabItems[subTabName].waitDeleteIds = formData[prop];
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} else {
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if (Array.isArray(formData[prop])) {
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for (var j = 0, n = formData[prop].length; j < n; j++) {
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if (!formData.subTabItems[subTabName].items[j]) {
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formData.subTabItems[subTabName].items[j] = new Object();
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}
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formData.subTabItems[subTabName].items[j][fieldName] = formData[prop][j];
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}
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} else {
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if (!formData.subTabItems[subTabName].items[0]) {
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formData.subTabItems[subTabName].items[0] = new Object();
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}
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formData.subTabItems[subTabName].items[0][fieldName] = formData[prop];
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}
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}
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}
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delete formData[prop];
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}
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}
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//清理所有字段都为空的数据
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if (formData.hasOwnProperty("subTabItems")) {
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var subTabNames = Object.getOwnPropertyNames(formData.subTabItems);
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for (var n = 0, len = subTabNames.length; n < len; n++) {
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var subTabName = subTabNames[n];
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//倒序清理，因为要删除数组元素
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for (var p = formData.subTabItems[subTabName].items.length - 1; p >= 0; p--) {
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var item = formData.subTabItems[subTabName].items[p];
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var isEmpty = true;
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var propertys = Object.getOwnPropertyNames(item);
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for (j = 0; j < propertys.length; j++) {
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var prop = propertys[j];
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//如果有一个属性不为空，则跳出
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if (item[prop] && item[prop] != "") {
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isEmpty = false;
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break;
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}
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}
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//如果都为空，则删除该条数据
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if (isEmpty) {
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delete formData.subTabItems[subTabName].items.splice(p, 1);
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}
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}
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//如果该子表没有有效数据，且没有删除的数据，则把该子表信息一起删除
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if (formData.subTabItems[subTabName].items.length == 0 && formData.subTabItems[subTabName].waitDeleteIds == "") {
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delete formData.subTabItems[subTabName];
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}
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}
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}
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}
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