34 lines
1.2 KiB
Java
34 lines
1.2 KiB
Java
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package com.engine.salary.service.impl;
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import com.engine.core.impl.Service;
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import com.engine.salary.entity.datacollection.DataCollectionEmployee;
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import com.engine.salary.entity.salaryformula.ExpressFormula;
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import com.engine.salary.entity.salaryformula.po.FormulaVar;
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import com.engine.salary.service.FormulaRunService;
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import org.apache.commons.jexl3.*;
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import java.util.List;
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public class FormulaRunServiceImpl extends Service implements FormulaRunService {
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@Override
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public Object run(ExpressFormula expressFormula, List<FormulaVar> formulaVars, DataCollectionEmployee simpleEmployee) {
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String formula = expressFormula.getFormula();
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JexlBuilder jexlBuilder = new JexlBuilder();
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// 创建Jexl表达式引擎
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JexlEngine jexlEngine = jexlBuilder.create();
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// 创建Jexl表达式解析器
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JexlScript jexlScript = jexlEngine.createScript(formula);
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// 创建Jexl表达式变量上下文
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JexlContext jexlContext = new MapContext();
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formulaVars.forEach(v->{
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jexlContext.set(v.getFieldId(),v.getContent());
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});
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// 执行Jexl表达式，得到结果
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Object execute = jexlScript.execute(jexlContext);
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return execute;
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}
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}
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