工资-后端接口代码的实现

ruoyi-wages/src/main/java/com/ruoyi/system/controller/WagesCalculateConversionController.java

@@ -3,6 +3,7 @@ package com.ruoyi.system.controller;
 import com.ruoyi.common.core.domain.AjaxResult;
 import com.ruoyi.system.model.wages.dto.WagesFormulaListDto;
 import com.ruoyi.system.service.WagesCalculateConversionService;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -21,7 +22,7 @@ public class WagesCalculateConversionController {
      * 唐山矿转换表
      */
     @RequestMapping("/surface")
-    public AjaxResult conversionSurface(@RequestParam("")WagesFormulaListDto wagesFormulaListDto) {
+    public AjaxResult conversionSurface( @RequestBody WagesFormulaListDto wagesFormulaListDto) {
         return new AjaxResult(200, "成功", wagesCalculateConversionService.conversionSurface(wagesFormulaListDto));
     }
 }

ruoyi-wages/src/main/java/com/ruoyi/system/mapper/WagesCalculateConversionMapper.java

+package com.ruoyi.system.mapper;
+
+import java.util.List;
+
+/**
+ * @author haiwe
+ * @date 2024/5/22
+ */
+public interface WagesCalculateConversionMapper {
+
+    List<Object> select(String year);
+}

ruoyi-wages/src/main/java/com/ruoyi/system/service/impl/WagesCalculateConversionServiceImpl.java

 package com.ruoyi.system.service.impl;
 
+import cn.hutool.core.util.ReUtil;
+import com.ruoyi.system.mapper.WagesCalculateConversionMapper;
+import com.ruoyi.system.model.wages.dto.WagesFormulaDto;
 import com.ruoyi.system.model.wages.dto.WagesFormulaListDto;
+import com.ruoyi.system.model.wages.vo.WagesFormulaListVo;
+import com.ruoyi.system.model.wages.vo.WagesFormulaVo;
 import com.ruoyi.system.service.WagesCalculateConversionService;
+import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * 2024/5/21
  */
 @Service
+@RequiredArgsConstructor
 public class WagesCalculateConversionServiceImpl implements WagesCalculateConversionService {
 
+    private final WagesCalculateConversionMapper wagesCalculateConversionMapper;
+
     @Override
     public Object conversionSurface(WagesFormulaListDto wagesFormulaListDto) {
 
-        return null;
+        WagesFormulaListVo listVo = new WagesFormulaListVo();
+        List<WagesFormulaVo> wagesFormulaVoList = new ArrayList<>();
+
+        List<WagesFormulaDto> wagesFormulaDtoList = wagesFormulaListDto.getWagesFormulaDtoList();
+        //获取传过来的值（date - 格式为：xxxx-MM）
+        String date = wagesFormulaListDto.getDate();
+        String[] parts = date.split("-");
+        String year = parts[0];
+        //根据时间去数据库中查询，得到每一条的list集合
+        List<Object> wagesList = wagesCalculateConversionMapper.select(year);
+        Object dep = wagesList.get(3);
+
+        double result = calculateFormula(wagesList, wagesFormulaDtoList);
+
+        // 设置部门信息
+        listVo.setDep(String.valueOf(dep));
+        // 构建WagesFormulaVo对象并添加到列表中
+        for (WagesFormulaDto wagesFormulaDto : wagesFormulaDtoList) {
+            WagesFormulaVo formulaVo = new WagesFormulaVo();
+            formulaVo.setLabel(wagesFormulaDto.getLabel());
+            formulaVo.setC(wagesFormulaDto.getC());
+            formulaVo.setValue(String.valueOf(result));
+
+            wagesFormulaVoList.add(formulaVo);
+        }
+
+        return listVo;
+    }
+
+    private double calculateFormula(List<Object> wagesList, List<WagesFormulaDto> wagesFormulaDtoList) {
+        double result = 0.0;
+
+        for (WagesFormulaDto wagesFormulaDto : wagesFormulaDtoList) {
+            String value = wagesFormulaDto.getValue();
+            String formula = extractOperands(value);
+            double operand = evaluateExpression(wagesList, formula);
+            result += operand;
+        }
+
+        return result;
+    }
+
+    private double evaluateExpression(List<Object> wagesList, String formula) {
+        String[] tokens = formula.split(" ");
+        double result = Double.parseDouble(tokens[0]);
+
+        for (int i = 1; i < tokens.length - 1; i += 2) {
+            String operator = tokens[i];
+            double operand = Double.parseDouble(tokens[i + 1]);
+
+            switch (operator) {
+                case "+":
+                    result += operand;
+                    break;
+                case "-":
+                    result -= operand;
+                    break;
+                case "*":
+                    result *= operand;
+                    break;
+                case "/":
+                    result /= operand;
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        return result;
+    }
+
+    private String extractOperands(String value) {
+        List<String> operands = new ArrayList<>();
+        StringBuilder currentOperand = new StringBuilder();
+
+        for (int i = 0; i < value.length(); i++) {
+            char c = value.charAt(i);
+
+            if (Character.isDigit(c) || c == '.') {
+                currentOperand.append(c);
+            } else if (isOperator(c)) {
+                String operand = currentOperand.toString().trim();
+                if (!operand.isEmpty()) {
+                    operands.add(operand);
+                }
+                currentOperand = new StringBuilder();
+                operands.add(String.valueOf(c));
+            }
+        }
+
+        String lastOperand = currentOperand.toString().trim();
+        if (!lastOperand.isEmpty()) {
+            operands.add(lastOperand);
+        }
+
+        String result = String.join(" ", operands);
+        return result;
+    }
+
+    private boolean isOperator(char c) {
+        return c == '+' || c == '-' || c == '*' || c == '/';
     }
 }

ruoyi-wages/src/main/resources/mapper/system/WagesCalculateConversionMapper.xml

+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ruoyi.system.mapper.WagesCalculateConversionMapper">
+
+    <select id="select" resultType="java.lang.Object" parameterType="java.lang.String">
+        select  * from wages_details_original_data where year = #{year}
+    </select>
+
+</mapper>
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