85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
package excels
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import (
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"reflect"
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"strings"
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)
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// 定义tagName名称
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const tagName = "excel"
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// Excels 定义Excel接口
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type Excels interface {
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Excels(interface{}) (bool, string)
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}
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// DefaultExcels 默认Excel配置
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type DefaultExcels struct {
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}
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// Excels 实现接口
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func (e DefaultExcels) Excels(val interface{}) (bool, string) {
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return true, ""
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}
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// `excel:"name='',readConverterExp=''"`
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// 获取标题头
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func getExcelFromTagTitle(proName string, tag string) map[string]string {
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args := strings.SplitN(tag, ",", 2)
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m := make(map[string]string)
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for i := 0; i < len(args); i++ {
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contains := strings.Contains(args[i], "name")
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if contains {
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m[proName] = strings.Split(args[i], "=")[1]
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break
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}
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}
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return m
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}
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// `excel:"name='',readConverterExp='Y=1,N=2'"`
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func getReadConverterExp(proName string, tag string) map[string][]map[string]string {
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list := make(map[string][]map[string]string, 0)
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args := strings.SplitN(tag, ",", 2)
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for i := 0; i < len(args); i++ {
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if strings.Contains(args[i], "format") {
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maps := make([]map[string]string, 0)
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converter := strings.SplitN(args[i], "=", 2)[1]
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values := strings.Split(converter, ",")
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for j := 0; j < len(values); j++ {
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split := strings.Split(values[j], "=")
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m := make(map[string]string)
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m[split[0]] = split[1]
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maps = append(maps, m)
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}
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list[proName] = maps
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break
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}
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}
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return list
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}
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// ExcelCreate 获取name名称和readConverterExp集合
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func ExcelCreate(s interface{}) ([]map[string]string, []map[string][]map[string]string) {
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titleList := make([]map[string]string, 0)
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expList := make([]map[string][]map[string]string, 0)
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// 获取值域
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v := reflect.ValueOf(s)
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t := reflect.TypeOf(s)
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var title map[string]string
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var exp map[string][]map[string]string
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// 遍历反射树形
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for i := 0; i < t.NumField(); i++ {
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tag := v.Type().Field(i).Tag.Get(tagName)
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if tag == "" || tag == "-" {
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continue
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}
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name := t.Field(i).Name
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title = getExcelFromTagTitle(name, tag)
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exp = getReadConverterExp(name, tag)
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titleList = append(titleList, title)
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expList = append(expList, exp)
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}
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return titleList, expList
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}
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