spider_chromedp/tundrawboard/util.go

package main

import (
	"encoding/json"
	"io/ioutil"
	"log"
	"os"
	"runtime"
)

//初始化配置文件
func ReadConfig(config ...interface{}) {
	var r *os.File
	if len(config) > 1 {
		filepath, _ := config[0].(string)
		r, _ = os.Open(filepath)
		defer r.Close()
		bs, _ := ioutil.ReadAll(r)
		json.Unmarshal(bs, config[1])
	} else {
		r, _ = os.Open("./config.json")
		defer r.Close()
		bs, _ := ioutil.ReadAll(r)
		json.Unmarshal(bs, config[0])
	}
}

//出错拦截
func Catch() {
	if r := recover(); r != nil {
		log.Println(r)
		for skip := 0; ; skip++ {
			_, file, line, ok := runtime.Caller(skip)
			if !ok {
				break
			}
			go log.Printf("%v,%v\n", file, line)
		}
	}
}

////捕获异常
//func Try(fun func(), handler func(interface{})) {
//	defer func() {
//		if err := recover(); err != nil {
//			for skip := 1; ; skip++ {
//				_, file, line, ok := runtime.Caller(skip)
//				if !ok {
//					break
//				}
//				go log.Printf("%v,%v\n", file, line)
//			}
//			handler(err)
//		}
//	}()
//	fun()
//}