/
WebUtil.go
154 lines (146 loc) · 3.3 KB
/
WebUtil.go
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package goft
import (
"bytes"
"fmt"
"github.com/gin-gonic/gin"
"go/ast"
"go/format"
"go/parser"
"go/token"
"io/ioutil"
"log"
"os"
"path/filepath"
"strings"
"text/template"
)
// 读取配置文件
func LoadConfigFile() []byte {
//dir, _ := os.Executable()
dir, _ := os.Getwd()
file := dir + "/application.yaml"
b, err := ioutil.ReadFile(file)
if err != nil {
// log.Println(err)
return nil
}
return b
}
// 根据 函数生成 funcMap ast 语法树
func GenTplFunc(path string) {
path = strings.Replace(path, "\\", "/", -1)
pList := strings.Split(path, "/")
pkgName := pList[len(pList)-1]
dir, err := ioutil.ReadDir(path)
if err != nil {
log.Fatal(err)
}
funcMap := make(map[string]string)
impList := make(map[string]struct{})
for _, f := range dir {
fp := path + "/" + f.Name()
if f.IsDir() || filepath.Ext(fp) != ".go" || f.Name() == "funcmap.go" {
continue
} else {
fset := token.NewFileSet()
ast_file, err := parser.ParseFile(fset, fp, nil, 0|parser.ParseComments)
if err != nil {
log.Fatal(err)
}
for _, imp := range ast_file.Imports {
impName := ""
if imp.Name != nil {
impName = imp.Name.Name
}
impList[fmt.Sprintf("%s %s", impName, imp.Path.Value)] = struct{}{}
}
for _, dec := range ast_file.Decls {
if fn, ok := dec.(*ast.FuncDecl); ok {
var output []byte
buffer := bytes.NewBuffer(output)
newf := &ast.FuncDecl{
Doc: fn.Doc,
Name: &ast.Ident{Name: ""},
Body: fn.Body,
Recv: fn.Recv,
Type: fn.Type,
}
format.Node(buffer, fset, newf)
funcMap[fn.Name.String()] = buffer.String()
}
}
}
}
tpl := `
// Code generated by jtthink DO NOT EDIT
package {{.pkg}}
import (
{{range $k, $v := .import }}
{{$k}}
{{end}}
)
var FuncMap=map[string]interface{}{
{{range $key, $value := .map }}
"{{$key}}" :{{$value}},
{{end}}
}
`
buf := bytes.Buffer{}
tmpl, _ := template.New("funcMap").Parse(tpl)
_ = tmpl.Execute(&buf, gin.H{"map": funcMap, "pkg": pkgName, "import": impList})
autocode_file := path + "/funcmap.go"
autocode, err := os.OpenFile(autocode_file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0666)
if err != nil {
log.Fatal(err)
}
log.Println(fmt.Fprint(autocode, buf.String()))
}
// 判断是否数字
func IsNumeric(val interface{}) bool {
switch val.(type) {
case int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64:
case float32, float64, complex64, complex128:
return true
case string:
str := val.(string)
if str == "" {
return false
}
// Trim any whitespace
str = strings.Trim(str, " \\t\\n\\r\\v\\f")
if str[0] == '-' || str[0] == '+' {
if len(str) == 1 {
return false
}
str = str[1:]
}
// hex
if len(str) > 2 && str[0] == '0' && (str[1] == 'x' || str[1] == 'X') {
for _, h := range str[2:] {
if !((h >= '0' && h <= '9') || (h >= 'a' && h <= 'f') || (h >= 'A' && h <= 'F')) {
return false
}
}
return true
}
// 0-9,Point,Scientific
p, s, l := 0, 0, len(str)
for i, v := range str {
if v == '.' { // Point
if p > 0 || s > 0 || i+1 == l {
return false
}
p = i
} else if v == 'e' || v == 'E' { // Scientific
if i == 0 || s > 0 || i+1 == l {
return false
}
s = i
} else if v < '0' || v > '9' {
return false
}
}
return true
}
return false
}