16 changed files with 400 additions and 21 deletions
@ -0,0 +1,262 @@ |
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package matsformula |
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import ( |
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"appPlatform/overall/publicmethod" |
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"fmt" |
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"math" |
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"strconv" |
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"strings" |
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|
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"github.com/dengsgo/math-engine/engine" |
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"github.com/gin-gonic/gin" |
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) |
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/* |
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* |
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@ 作者: 秦东 |
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@ 时间: 2024-01-02 08:53:21 |
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@ 功能: 解析数学公式 |
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@ 参数 |
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# |
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@ 返回值 |
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# |
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@ 方法原型 |
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# |
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*/ |
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func (a *ApiMethod) AnalyticalMathematicalFormulas(c *gin.Context) { |
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var requestsData Formula |
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err := c.ShouldBindJSON(&requestsData) |
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if err != nil { |
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publicmethod.Result(1, err, c) |
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return |
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} |
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mathsStr := requestsData.Val |
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for _, v := range requestsData.FormJson { |
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zhi := strconv.FormatFloat(v.Val, 'f', -1, 64) |
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mathsStr = strings.Replace(mathsStr, v.Keys, zhi, 1) |
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} |
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sendData := publicmethod.MapOut[string]() |
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sendData["mathsStr"] = mathsStr |
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runMaths, err := AnalyticCalculation(mathsStr, 0, 2) |
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sendData["runMaths"] = runMaths |
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sendData["err"] = err |
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publicmethod.Result(0, sendData, c) |
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} |
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/* |
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* |
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@ 作者: 秦东 |
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@ 时间: 2024-01-08 10:46:15 |
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@ 功能: 解析数学公式 |
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@ 参数 |
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#mathsFormula 组合后的公式 |
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#takingMethod 结果保留形式 0:原始数据； 1：四舍五入；2：向上取整；3：向下取整；4：舍去 |
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#digit 保留位数 |
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@ 返回值 |
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# |
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@ 方法原型 |
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# |
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*/ |
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func AnalyticCalculation(mathsFormula string, takingMethod, digit int) (runMaths float64, err error) { |
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//自定义一个Sum计算
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engine.RegFunction("sum", -1, func(expr ...engine.ExprAST) float64 { |
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var sum float64 |
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for _, v := range expr { |
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sum = sum + engine.ExprASTResult(v) |
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} |
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return sum |
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}) |
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engine.RegFunction("average", -1, func(expr ...engine.ExprAST) float64 { |
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var sum float64 |
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num := 0 |
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for _, v := range expr { |
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sum = sum + engine.ExprASTResult(v) |
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num++ |
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} |
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if num > 0 { |
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sum = sum / float64(num) |
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} |
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return sum |
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}) |
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//解析、执行数学公式字符串
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runMaths, err = engine.ParseAndExec(mathsFormula) |
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switch takingMethod { |
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case 1: |
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// fmt.Printf("1:%v--1-->%v---->%v\n", takingMethod, digit, runMaths)
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runMaths = publicmethod.DecimalEs(runMaths, digit) |
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// fmt.Printf("1:%v---->%v---->%v\n", takingMethod, digit, runMaths)
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case 2: |
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runMaths = math.Ceil(runMaths) |
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// fmt.Printf("2:%v---->%v---->%v\n", takingMethod, digit, runMaths)
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case 3: |
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runMaths = math.Floor(runMaths) |
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// fmt.Printf("3:%v---->%v---->%v\n", takingMethod, digit, runMaths)
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case 4: |
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runMaths = float64(int64(runMaths)) |
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// fmt.Printf("4:%v---->%v---->%v\n", takingMethod, digit, runMaths)
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default: |
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// fmt.Printf("5:%v---->%v---->%v\n", takingMethod, digit, runMaths)
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return |
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} |
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return |
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} |
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/* |
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* |
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@ 作者: 秦东 |
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@ 时间: 2024-01-09 14:48:06 |
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@ 功能: 数学计算 |
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@ 参数 |
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# |
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@ 返回值 |
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# |
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@ 方法原型 |
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# |
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*/ |
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func (a *ApiMethod) MathematicalCalculations(c *gin.Context) { |
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var requestsData ReceiveMathsFornula |
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err := c.ShouldBindJSON(&requestsData) |
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if err != nil { |
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publicmethod.Result(1, err, c) |
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return |
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} |
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zhi := make(map[string]float64) |
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var formulaList []FormJsonInfor |
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for i, v := range requestsData.MathsFornula { |
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var formulaCont FormJsonInfor |
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formulaCont.Keys = i |
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formulaCont.Val = v.MathsFormula |
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formulaList = append(formulaList, formulaCont) |
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if i != requestsData.FieldKey { |
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zhiVal := FieldToValue(v.MathsFormula, requestsData.KeyVal, v.TakingMethod, v.Digit) |
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zhi[i] = zhiVal |
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} |
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} |
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// publicmethod.Result(10000, zhi, c)
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sendData := publicmethod.MapOut[string]() |
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sendData["formulaList"] = formulaList |
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sendData["zhi"] = zhi |
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sendData["requestsData"] = requestsData |
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publicmethod.Result(0, zhi, c) |
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} |
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/* |
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* |
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@ 作者: 秦东 |
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@ 时间: 2024-01-09 15:52:41 |
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@ 功能: 解析计算数值 |
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@ 参数 |
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#formula 计算公式 |
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#formKeyVal 表单字段 |
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#takingMethod 结果保留形式 1：四舍五入；2：向上取整；3：向下取整；4：舍去 |
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#digit 保留位数 |
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@ 返回值 |
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# |
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@ 方法原型 |
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# |
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*/ |
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func FieldToValue(formula string, formKeyVal map[string]interface{}, takingMethod, digit int) (runMaths float64) { |
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for i, v := range formKeyVal { |
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if val, isOk := v.(string); isOk { |
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if val == "" { |
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val = "0" |
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} |
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formula = strings.Replace(formula, i, val, -1) |
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} |
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if val, isOk := v.(int); isOk { |
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valStr := strconv.Itoa(val) |
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formula = strings.Replace(formula, i, valStr, -1) |
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} |
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if val, isOk := v.(int64); isOk { |
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valStr := strconv.FormatInt(val, 10) |
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formula = strings.Replace(formula, i, valStr, -1) |
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} |
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if val, isOk := v.(float32); isOk { |
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valStr := strconv.FormatFloat(float64(val), 'f', -1, 64) |
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formula = strings.Replace(formula, i, valStr, -1) |
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} |
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if val, isOk := v.(float64); isOk { |
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valStr := strconv.FormatFloat(val, 'f', -1, 64) |
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formula = strings.Replace(formula, i, valStr, -1) |
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} |
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} |
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formula = strings.Replace(formula, "，", ",", -1) |
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smaillMathsStr := strings.ToLower(formula) |
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fmt.Printf("smaillMathsStr===>%v\n", smaillMathsStr) |
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runMaths, err := AnalyticCalculation(smaillMathsStr, takingMethod, digit) |
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if err != nil { |
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runMaths = 0 |
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return |
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} |
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return |
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} |
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/* |
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* |
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@ 作者: 秦东 |
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@ 时间: 2024-01-09 15:00:33 |
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@ 功能: 数学公式字段转化数值 |
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@ 参数 |
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# |
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@ 返回值 |
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# |
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@ 方法原型 |
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# |
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*/ |
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func FieldToValues(formulaList []FormJsonInfor, key string, val string, takingMethod, digit int) map[string]float64 { |
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var fieldVal map[string]float64 |
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for _, v := range formulaList { |
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mathsStr := strings.Replace(v.Val, key, val, -1) |
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mathsStr = strings.Replace(mathsStr, "，", ",", -1) |
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smaillMathsStr := strings.ToLower(mathsStr) |
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fmt.Printf("smaillMathsStr===>%v\n", smaillMathsStr) |
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runMaths, err := AnalyticCalculation(smaillMathsStr, takingMethod, digit) |
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fmt.Printf("runMaths===>%v\n err===>%v\n", runMaths, err) |
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// if err == nil {
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// switch takingMethod {
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// case 2:
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// fieldVal[v.Keys] = math.Ceil(runMaths)
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// case 3:
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// fieldVal[v.Keys] = math.Floor(runMaths)
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// case 4:
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// fieldVal[v.Keys] = math.Floor(runMaths)
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// default:
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// fieldVal[v.Keys] = math.Round(publicmethod.DecimalEs(runMaths, digit))
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// }
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// } else {
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// fieldVal[v.Keys] = 0
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// }
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} |
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return fieldVal |
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} |
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@ -0,0 +1,43 @@ |
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package matsformula |
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import ( |
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"appPlatform/overall/publicmethod" |
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|
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"github.com/gin-gonic/gin" |
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) |
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type ApiMethod struct{} |
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func (a *ApiMethod) Index(c *gin.Context) { |
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outputCont := publicmethod.MapOut[string]() |
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outputCont["index"] = "数学函数处理内容列表入口" |
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publicmethod.Result(0, outputCont, c) |
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} |
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// 接收公式
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type Formula struct { |
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Val string `json:"val"` |
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FormJson []FormJsonCont `json:"formJson"` |
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} |
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type FormJsonCont struct { |
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Keys string `json:"key"` |
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Val float64 `json:"val"` |
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} |
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type FormJsonInfor struct { |
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Keys string `json:"key"` |
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Val string `json:"val"` |
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} |
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// 接收数学公式及字段表单
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type ReceiveMathsFornula struct { |
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FieldKey string `json:"fieldKey"` |
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MathsFornula map[string]MathsValCont `json:"mathsFornula"` |
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KeyVal map[string]interface{} `json:"keyVal"` |
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} |
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// 数值配置参数
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type MathsValCont struct { |
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MathsFormula string `json:"mathsFormula"` |
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TakingMethod int `json:"takingMethod"` |
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Digit int `json:"digit"` |
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} |
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@ -0,0 +1,19 @@ |
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package mathsrouter |
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import ( |
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"appPlatform/api/version1" |
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"github.com/gin-gonic/gin" |
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) |
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// 数学公式接口路由
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func (a *ApiRouter) RouterGroup(router *gin.RouterGroup) { |
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apiRouter := router.Group("maths") |
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var mathsClassRouter = version1.AppApiEntry.MathsApi |
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{ |
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apiRouter.GET("", mathsClassRouter.Index) //入口
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apiRouter.POST("", mathsClassRouter.Index) //入口
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apiRouter.POST("am_formulas", mathsClassRouter.AnalyticalMathematicalFormulas) //解析数学公式
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apiRouter.POST("mathematicalCalculations", mathsClassRouter.MathematicalCalculations) //数学计算
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} |
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} |
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@ -0,0 +1,4 @@ |
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package mathsrouter |
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//数学公式路由设定
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type ApiRouter struct{} |
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Reference in new issue