/
json.go
94 lines (84 loc) · 1.74 KB
/
json.go
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package convert
import (
"bytes"
"golang.org/x/text/cases"
"golang.org/x/text/language"
"log"
"strconv"
"strings"
"unicode"
)
// 驼峰式写法转为下划线写法
func Camel2Case(name string) string {
buffer := NewBuffer()
for i, r := range name {
if unicode.IsUpper(r) {
if i != 0 {
buffer.Append('_')
}
buffer.Append(unicode.ToLower(r))
} else {
buffer.Append(r)
}
}
return buffer.String()
}
// 下划线写法转为驼峰写法
func Case2Camel(name string) string {
name = strings.Replace(name, "_", " ", -1)
name = cases.Title(language.Und, cases.NoLower).String(name)
return strings.Replace(name, " ", "", -1)
}
// 下划线写法转为驼峰写法
func Case2LowerCamel(name string) string {
return Lcfirst(Case2Camel(name))
}
// 首字母大写
func Ucfirst(str string) string {
for i, v := range str {
return string(unicode.ToUpper(v)) + str[i+1:]
}
return ""
}
// 首字母小写
func Lcfirst(str string) string {
for i, v := range str {
return string(unicode.ToLower(v)) + str[i+1:]
}
return ""
}
// 内嵌bytes.Buffer,支持连写
type Buffer struct {
*bytes.Buffer
}
func NewBuffer() *Buffer {
return &Buffer{Buffer: new(bytes.Buffer)}
}
func (b *Buffer) Append(i interface{}) *Buffer {
switch val := i.(type) {
case int:
b.append(strconv.Itoa(val))
case int64:
b.append(strconv.FormatInt(val, 10))
case uint:
b.append(strconv.FormatUint(uint64(val), 10))
case uint64:
b.append(strconv.FormatUint(val, 10))
case string:
b.append(val)
case []byte:
b.Write(val)
case rune:
b.WriteRune(val)
}
return b
}
func (b *Buffer) append(s string) *Buffer {
defer func() {
if err := recover(); err != nil {
log.Println("*****内存不够了!******")
}
}()
b.WriteString(s)
return b
}