golang 年级转换入学年份

* map.txt

        '高三' => '03-2016','高二' => '03-2017','高一' => '03-2018','初三' => '02-2016','初二' => '02-2017','初一' => '02-2018','小六' => '01-2013',// 五四制的初中'六年级'=>'02-2018','七年级'=>'02-2017','八年级'=>'02-2016','九年级'=>'02-2015','高中' => '03-0000','初中' => '02-0000','小学' => '01-0000',

* format.php

// 用于生成test case

<?phpfunction fileForEachRow($path, $handler) {$handle = fopen($path, "r");if (! $handle ) {return;}while (($buffer = fgets($handle, 1024) ) !== false) {$buffer = trim($buffer);call_user_func($handler, $buffer);}if (!feof($handle)) {echo "Error: unexpected fgets() fail\n";}fclose($handle);
}fileForEachRow("map.txt", function($line) {$line = trim($line);$n = strlen($line);if ($n === 0) {return;}if (substr($line, 0, 2) === "//") {return;}// echo $line.PHP_EOL;$col = explode("=>", $line);for ($i = 0; $i < count($col); $i++) {$col[$i] = trim($col[$i], ", \t'\"");}$grade = $col[0];$zh = $col[1];printf("assert.Equal(t, ConvertGradeChinese2Gradeno(\"%s\", now), \"%s\")\n", $grade, $zh);});

* converter.go

注意golang switch case语句自动添加break

如果不需要break，必须用fallthrough关键字

package utilimport ("fmt""github.com/pkg/errors""time"
)type Converter struct{}var GRADE_NAME_TO_ID map[string]stringfunc (this *Converter) init() {if len(GRADE_NAME_TO_ID) == 0 {// GRADE_NAME_TO_ID = getMapGradeName2ID()GRADE_NAME_TO_ID = GetMapGradeName2IdByTime(time.Now())}
}func (this *Converter) GradeChinese2Gradeno(grade string) string {this.init()return GRADE_NAME_TO_ID[grade]
}func ConvertGradeChinese2Gradeno(grade string, date time.Time) string {// 不变的3种情况switch grade {case "高中": return "03-0000"case "初中": return "02-0000"case "小学": return "01-0000"default:}year := date.Year()month := int32(date.Month())// 每年7月1日0点更新 下半学年(上半年)if month >= 7 {year += 1}gmy := &GradeMonthYear{}gmy.getByRune(grade, int32(year))return gmy.toString()
}type CompareFunc func(interface{}, interface{}) int32func indexOf(a []interface{}, e interface{}, cmp CompareFunc) int32 {n := int32(len(a))var i int32 = 0for ; i < n; i++ {if cmp(e, a[i]) == 0 {return i}}return -1
}type GradeMonthYear struct {Month int32Year  int32
}func (this *GradeMonthYear) toString() string {return fmt.Sprintf("%02d-%04d", this.Month, this.Year)
}func (this *GradeMonthYear) getByRune(ws string, year int32) error {zh := []rune{'零', '一', '二', '三', '四', '五', '六', '七', '八', '九'}zh_Numbers := make([]interface{}, len(zh))for i, v := range zh {zh_Numbers[i] = v}runeCmp := func(i interface{}, i2 interface{}) int32 {a := i.(int32)b := i2.(int32)return a - b}r := []rune(ws)switch r[0] {case '高':this.Month = 3case '初':this.Month = 2case '小':this.Month = 1case '六': fallthroughcase '七': fallthroughcase '八': fallthroughcase '九':gradeIndex54 := indexOf(zh_Numbers, r[0], runeCmp)this.Year = year - int32(gradeIndex54-5)this.Month = 2return nildefault:errors.New("Unexpected grade name: " + ws)}gradeIndex := indexOf(zh_Numbers, r[1], runeCmp)if gradeIndex >= 0 {this.Year = year - gradeIndex} else {// 小学 高中 初中if r[1] != '年' {this.Year = 0}}return nil
}func GetMapGradeName2IdByTime(time time.Time) map[string]string {var s = time.Format("2006-01-02 15:04:00")var year, month, day, hour, minute, second int32fmt.Sscanf(s, "%d-%d-%d %d:%d:%d:%d", &year, &month, &day, &hour, &minute, &second)// 每年7月1日0点更新 下半学年(上半年)if month >= 7 {year += 1}a := []string{"高三", "高二", "高一", "初三", "初二", "初一", "小六", "六年级", "七年级", "八年级", "九年级", "高中", "初中", "小学"}m := map[string]string{}for _, e := range a {gmy := GradeMonthYear{}gmy.getByRune(e, year)m[e] = gmy.toString()}return m
}

* converter_test.go

package utilimport ("github.com/magiconair/properties/assert""testing""time"
)func TestConvertGradeChinese2Gradeno(t *testing.T) {now := time.Now()assert.Equal(t, ConvertGradeChinese2Gradeno("高三", now), "03-2016")assert.Equal(t, ConvertGradeChinese2Gradeno("高二", now), "03-2017")assert.Equal(t, ConvertGradeChinese2Gradeno("高一", now), "03-2018")assert.Equal(t, ConvertGradeChinese2Gradeno("初三", now), "02-2016")assert.Equal(t, ConvertGradeChinese2Gradeno("初二", now), "02-2017")assert.Equal(t, ConvertGradeChinese2Gradeno("初一", now), "02-2018")assert.Equal(t, ConvertGradeChinese2Gradeno("小六", now), "01-2013")assert.Equal(t, ConvertGradeChinese2Gradeno("六年级", now), "02-2018")assert.Equal(t, ConvertGradeChinese2Gradeno("七年级", now), "02-2017")assert.Equal(t, ConvertGradeChinese2Gradeno("八年级", now), "02-2016")assert.Equal(t, ConvertGradeChinese2Gradeno("九年级", now), "02-2015")assert.Equal(t, ConvertGradeChinese2Gradeno("高中", now), "03-0000")assert.Equal(t, ConvertGradeChinese2Gradeno("初中", now), "02-0000")assert.Equal(t, ConvertGradeChinese2Gradeno("小学", now), "01-0000")
}func TestGetMapGradeName2IdByTime(t *testing.T) {now := time.Now()gradeMap := GetMapGradeName2IdByTime(now)for k, v := range gradeMap {t.Logf("%s => %s\n", k, v)}}func TestGetMapGradeName2IdByTime_1(t *testing.T) {date := time.Date(2019, 7, 1, 0, 0, 0, 0, time.Local)gradeMap := GetMapGradeName2IdByTime(date)for k, v := range gradeMap {t.Logf("%s => %s\n", k, v)}
}func TestGetMapGradeName2IdByTime_2(t *testing.T) {date := time.Date(2020, 6, 30, 23, 0, 0, 0, time.Local)gradeMap := GetMapGradeName2IdByTime(date)for k, v := range gradeMap {t.Logf("%s => %s\n", k, v)}
}func TestGetMapGradeName2IdByTime_3(t *testing.T) {date := time.Date(2020, 7, 1, 0, 0, 0, 0, time.Local)gradeMap := GetMapGradeName2IdByTime(date)for k, v := range gradeMap {t.Logf("%s => %s\n", k, v)}
}

* test:

go test -v

=== RUN   TestConvertGradeChinese2Gradeno
--- PASS: TestConvertGradeChinese2Gradeno (0.00s)
=== RUN   TestGetMapGradeName2IdByTime
--- PASS: TestGetMapGradeName2IdByTime (0.00s)converter_test.go:34: 高三 => 03-2016converter_test.go:34: 初一 => 02-2018converter_test.go:34: 八年级 => 02-2016converter_test.go:34: 九年级 => 02-2015converter_test.go:34: 小学 => 01-0000converter_test.go:34: 初三 => 02-2016converter_test.go:34: 高一 => 03-2018converter_test.go:34: 初二 => 02-2017converter_test.go:34: 小六 => 01-2013converter_test.go:34: 七年级 => 02-2017converter_test.go:34: 高二 => 03-2017converter_test.go:34: 六年级 => 02-2018converter_test.go:34: 高中 => 03-0000converter_test.go:34: 初中 => 02-0000
=== RUN   TestGetMapGradeName2IdByTime_1
--- PASS: TestGetMapGradeName2IdByTime_1 (0.00s)converter_test.go:43: 初一 => 02-2019converter_test.go:43: 高二 => 03-2018converter_test.go:43: 小六 => 01-2014converter_test.go:43: 六年级 => 02-2019converter_test.go:43: 八年级 => 02-2017converter_test.go:43: 九年级 => 02-2016converter_test.go:43: 高中 => 03-0000converter_test.go:43: 高三 => 03-2017converter_test.go:43: 七年级 => 02-2018converter_test.go:43: 初中 => 02-0000converter_test.go:43: 初三 => 02-2017converter_test.go:43: 初二 => 02-2018converter_test.go:43: 小学 => 01-0000converter_test.go:43: 高一 => 03-2019
=== RUN   TestGetMapGradeName2IdByTime_2
--- PASS: TestGetMapGradeName2IdByTime_2 (0.00s)converter_test.go:51: 八年级 => 02-2017converter_test.go:51: 初一 => 02-2019converter_test.go:51: 六年级 => 02-2019converter_test.go:51: 九年级 => 02-2016converter_test.go:51: 高三 => 03-2017converter_test.go:51: 初二 => 02-2018converter_test.go:51: 小六 => 01-2014converter_test.go:51: 七年级 => 02-2018converter_test.go:51: 高中 => 03-0000converter_test.go:51: 小学 => 01-0000converter_test.go:51: 高一 => 03-2019converter_test.go:51: 初三 => 02-2017converter_test.go:51: 高二 => 03-2018converter_test.go:51: 初中 => 02-0000
=== RUN   TestGetMapGradeName2IdByTime_3
--- PASS: TestGetMapGradeName2IdByTime_3 (0.00s)converter_test.go:59: 高一 => 03-2020converter_test.go:59: 九年级 => 02-2017converter_test.go:59: 小学 => 01-0000converter_test.go:59: 初一 => 02-2020converter_test.go:59: 八年级 => 02-2018converter_test.go:59: 高中 => 03-0000converter_test.go:59: 初中 => 02-0000converter_test.go:59: 高二 => 03-2019converter_test.go:59: 初三 => 02-2018converter_test.go:59: 小六 => 01-2015converter_test.go:59: 六年级 => 02-2020converter_test.go:59: 七年级 => 02-2019converter_test.go:59: 高三 => 03-2018converter_test.go:59: 初二 => 02-2019
PASSProcess finished with exit code 0

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golang 年级转换入学年份

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