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@@ -10,14 +10,39 @@
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const TreeExprCalc = (function(){
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const calcRela = {
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+ calcType: {zero: 0, direct: 1, cache: 2, sortCache: 4},
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SerialReg: new RegExp('<<f[0-9]+\\$[a-z]+>>', 'ig'),
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SerialFirstReg: new RegExp('^<<f[0-9]+\\$[a-z]+>>', 'i'),
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IdReg: new RegExp('<<[a-z0-9\-]+\\$[a-z]+>>', 'ig'),
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OrderReg: new RegExp('f[0-9]+', 'ig'),
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valueChar: '$',
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+
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calcCache: {},
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- exprInitFields: ['contract_tp', 'qc_tp', 'gather_tp'],
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- calcType: {zero: 0, direct: 1, cache: 2}
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+
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+ // 计算必须项
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+ tree: null,
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+ decimal: null,
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+ calcField: null,
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+ getCalcNum: null,
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+ calcCacheFun: null,
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+ exprCacheKey: [],
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+ exprFieldsIndex: {},
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+ exprCacheFields: [],
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+ };
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+ const getCalcField = function(value) {
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+ return calcRela.exprFieldsIndex[value];
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+ };
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+ const init = function(setting) {
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+ calcRela.tree = setting.tree;
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+ calcRela.decimal = setting.decimal || { qty: 2, tp: 0 };
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+ calcRela.calcField = setting.calcField || { qty: 'quantity', tp: 'total_price' };
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+ setCalcType(setting.calcType || calcRela.calcType.zero);
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+ calcRela.calcCacheFun = setting.calcCacheFun;
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+ if (setting.exprFieldsIndex) calcRela.exprFieldsIndex = setting.exprFieldsIndex;
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+ if (setting.exprCacheKey) {
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+ calcRela.exprCacheKey = setting.exprCacheKey;
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+ calcRela.exprCacheFields = calcRela.exprCacheKey.map(x => { return getCalcField(x); });
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+ }
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};
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const checkExprValid = function(expr, invalidOrders = []) {
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if (!expr) return [true, ''];
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@@ -119,27 +144,14 @@ const TreeExprCalc = (function(){
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return [false, '输入的表达式非法:"("后无对应的")"'];
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return [true, ''];
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};
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- const init = function(tree, decimal) {
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- calcRela.tree = tree;
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- calcRela.decimal = decimal;
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- };
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- const getCalcField = function(value) {
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- switch(value) {
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- case 'tzje': return 'total_price';
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- case 'qyje': return 'deal_tp';
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- case 'tzsl': return 'quantity';
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- case 'qysl': return 'deal_qty';
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- case 'bqhtje': return 'contract_tp';
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- }
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- };
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- const getCalcNumZero = function (node, field) {
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+ const _getCalcNumZero = function (node, field) {
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return node.calc_expr && calcRela.exprInitFields.indexOf(field) >= 0 ? 0 : node[field] || 0;
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};
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- const getCalcNumDirect = function (node, field) {
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+ const _getCalcNumDirect = function (node, field) {
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return node[field] || 0;
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};
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- const getCalcNumCache = function (node, field) {
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- if (node.calc_expr && calcRela.exprInitFields.indexOf(field) >= 0) {
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+ const _getCalcNumCache = function (node, field) {
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+ if (node.calc_expr && calcRela.exprCacheFields.indexOf(field) >= 0) {
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return calcRela.calcCache[node.id] ? calcRela.calcCache[node.id][field] || 0 : 0;
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}
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return node[field] || 0;
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@@ -172,22 +184,84 @@ const TreeExprCalc = (function(){
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};
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const addCache = function(expr) {
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const cache = { id: expr.id };
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- if (expr.calcField === 'contract_qty') {
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- cache.contract_qty = ZhCalc.round(expr.value, calcRela.decimal.qty);
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- cache.contract_tp = ZhCalc.mul(cache.contract_tp, expr.unit_price, calcRela.decimal.tp);
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- } else if (expr.calcField === 'contract_tp') {
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- cache.contract_qty = 0;
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- cache.contract_tp = ZhCalc.round(expr.value, calcRela.decimal.tp);
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+ if (expr.calcField === 'qty') {
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+ cache[calcRela.calcField.qty] = ZhCalc.round(expr.value, calcRela.decimal.qty);
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+ cache[calcRela.calcField.tp] = ZhCalc.mul(cache[calcRela.calcField.qty], expr.unit_price, calcRela.decimal.tp);
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+ } else if (expr.calcField === 'tp') {
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+ cache[calcRela.calcField.qty] = 0;
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+ cache[calcRela.calcField.tp] = ZhCalc.round(expr.value, calcRela.decimal.tp);
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}
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+ if (calcRela.calcCacheFun) calcRela.calcCacheFun(cache, expr);
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calcRela.calcCache[expr.id] = cache;
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};
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- const calcAllExpr = function(exprList) {
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+ const sortExprList = function(exprList) {
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+ const exprIds = exprList.map(x => { return x.id; });
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+ exprList.forEach(x => {
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+ x.sort = calcRela.tree.nodes.findIndex(n => { return n.id === x.id; });
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+ x.relaExprId = [];
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+ const idParam = x.expr.match(calcRela.IdReg);
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+ if (idParam) {
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+ for (const ip of idParam) {
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+ const [id, value] = ip.substring(2, ip.length - 2).split(calcRela.valueChar);
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+ if (value.indexOf('bq') < 0) continue;
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+
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+ const node = calcRela.tree.nodes.find(x => { return x.id === id; });
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+ if (!node) continue;
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+
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+ if (!node.children || node.children.length === 0) {
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+ if (exprIds.indexOf(node.id) >= 0) x.relaExprId.push(node.id);
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+ } else {
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+ const posterity = calcRela.tree.getLeafPosterity(node);
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+ posterity.forEach(p => { if (exprIds.indexOf(p.id) >= 0) x.relaExprId.push(p.id); });
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+ }
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+ }
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+ }
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+ });
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+ exprList.forEach(x => {
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+ if (x.relaExprId.length === 0) {
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+ x.calcSort = 1;
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+ return;
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+ }
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+ let calcSort = 1;
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+ let calcExprId = [...x.relaExprId];
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+ while (calcExprId.length > 0 && calcSort <= 100) {
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+ const sortIds = [];
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+ for (const id of calcExprId) {
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+ const relaNode = exprList.find(y => { return y.id === id; });
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+ if (relaNode.relaExprId.length > 0) {
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+ sortIds.push(...relaNode.relaExprId);
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+ }
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+ }
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+ calcSort++;
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+ if (sortIds.indexOf(x.id) >= 0) {
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+ calcSort = 'max';
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+ break;
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+ }
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+ calcExprId = sortIds;
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+ }
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+ if (calcSort > 100) calcRela.warningMsg = '公式计算引用过深,请检查公式';
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+ if (calcSort === 'max') calcRela.errorMsg = '公式计算存在循环引用,请检查公式';
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+ x.calcSort = calcSort;
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+ });
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+ exprList.sort((x, y) => {
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+ if (x.calcSort === 'max') return 1000;
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+ if (x.calcSort === 'max') return -1000;
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+ return x.calcSort - y.calcSort;
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+ });
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+ };
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+ const _initCache = function() {
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calcRela.calcCache = {};
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+ calcRela.warningMsg = '';
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+ calcRela.errorMsg = '';
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+ };
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+ const calcAllExpr = function(exprList) {
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+ _initCache();
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+ if (calcRela.sort) sortExprList(exprList);
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for (const expr of exprList) {
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[expr.formula, expr.value] = calcExpr(expr.expr);
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addCache(expr);
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}
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- calcRela.calcCache = {};
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+ _initCache();
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};
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const expr2ExprStr = function(expr) {
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if (!expr) return '';
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@@ -219,10 +293,17 @@ const TreeExprCalc = (function(){
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return formula;
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};
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const setCalcType = function (calcType) {
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- if (calcType === calcRela.calcType.zero) calcRela.getCalcNum = getCalcNumZero;
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- if (calcType === calcRela.calcType.direct) calcRela.getCalcNum = getCalcNumDirect;
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- if (calcType === calcRela.calcType.cache) calcRela.getCalcNum = getCalcNumCache;
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+ if (calcType === calcRela.calcType.zero) calcRela.getCalcNum = _getCalcNumZero;
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+ if (calcType === calcRela.calcType.direct) calcRela.getCalcNum = _getCalcNumDirect;
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+ if (calcType === calcRela.calcType.cache) calcRela.getCalcNum = _getCalcNumCache;
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+ if (calcType === calcRela.calcType.sortCache) calcRela.getCalcNum = _getCalcNumCache;
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+ calcRela.sort = calcType === calcRela.calcType.sortCache;
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};
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- return { init, checkExprValid, calcExpr, calcAllExpr, expr2ExprStr, exprStr2Expr, setCalcType, calcType: calcRela.calcType}
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+ return {
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+ calcType: calcRela.calcType,
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+ init, setCalcType,
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+ checkExprValid, expr2ExprStr, exprStr2Expr,
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+ calcExpr, calcAllExpr,
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+ }
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})();
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