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错误日志信息支持Stack特性，该特性可以自动打印出当前调用日志组件方法的堆栈信息，该堆栈信息可以通过Notice*/Warning*/Error*/Critical*/Panic*/Fatal*等错误日志输出方法触发，也可以通过GetStack/PrintStack获取/打印。错误信息的stack信息对于调试来说相当有用。
示例1，通过Error方法触发
| Code Block | ||
|---|---|---|
| ||
package main
import (
"context"
"github.com/gogf/gf/v2/os/glog"
)
func Test(ctx context.Context) {
glog.Error(ctx, "This is error!")
}
func main() {
ctx := context.TODO()
Test(ctx)
}
|
打印出的结果如下：
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|---|---|---|
| ||
2022-01-05 15:08:54.998 [ERRO] This is error! Stack: 1. main.Test C:/hailaz/test/main.go:10 2. main.main C:/hailaz/test/main.go:15 |
示例2，通过Stack方法打印
| Code Block | ||
|---|---|---|
| ||
package main
import (
"context"
"fmt"
"github.com/gogf/gf/v2/os/glog"
)
func main() {
ctx := context.TODO()
glog.PrintStack(ctx)
glog.New().PrintStack(ctx)
fmt.Println(glog.GetStack())
fmt.Println(glog.New().GetStack())
}
|
执行后，输出结果为：
| Code Block | ||
|---|---|---|
| ||
2019-07-12 22:20:28.070 Stack: 1. main.main /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_stack.go:11 2019-07-12 22:20:28.070 Stack: 1. main.main /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_stack.go:12 1. main.main /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_stack.go:14 1. main.main /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_stack.go:15 |
示例3，打印gerror.Error
glog日志模块支持对标准错误以及gerror错误的堆栈打印支持。
| Code Block | ||
|---|---|---|
| ||
package main
import (
"context"
"errors"
"github.com/gogf/gf/v2/errors/gerror"
"github.com/gogf/gf/v2/os/glog"
)
func MakeError() error {
return errors.New("connection closed with normal error")
}
func MakeGError() error {
return gerror.New("connection closed with gerror")
}
func TestGError(ctx context.Context) {
err1 := MakeError()
err2 := MakeGError()
glog.Error(ctx, err1)
glog.ErrorErrorf(ctx, "%+v", err2)
}
func main() {
ctx := context.TODO()
TestGError(ctx)
}
|
执行后，终端输出：
| Code Block | ||
|---|---|---|
| ||
2019-07-12 22:23:11.467 [ERRO] connection closed with normal error Stack: 1. main.TestGError /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_gerror.go:20 2. main.main /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_gerror.go:25 2019-07-12 22:23:11.467 [ERRO] connection closed with gerror 1. connection closed with gerror 1). main.MakeGError /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_gerror.go:14 2). main.TestGError /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_gerror.go:19 3). main.main /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_gerror.go:25 Stack: 1. main.TestGError /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_gerror.go:21 2. main.main /home/john/Workspace/Go/GOPATH/src/github.com/gogf/gf/v2/geg/os/glog/glog_gerror.go:25 |
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