20181224

README.md

@@ -11,5 +11,17 @@ Training for golang.
 # 学习资料
 1 [《Go语言标准库》The Golang Standard Library by Example][1]
 
+2 [Go语言核心编程][2]
+
+3 [Go语言编程入门与实战技巧][3]
+
+4 [Go并发编程实战（第2版）][4]
+
+5 [Go语言实战][5]
+
 
 [1]: https://books.studygolang.com/The-Golang-Standard-Library-by-Example/
+[2]: http://www.broadview.com.cn/book/5522
+[3]: http://www.broadview.com.cn/book/5389
+[4]: https://item.jd.com/12063141.html
+[5]: https://item.jd.com/12136974.html

interview/01.go

@@ -2,26 +2,26 @@
 package main
 
 import (
-    "fmt"
+	"fmt"
 )
 
-func main()  {
-    defer_call()
+func main() {
+	defer_call()
 }
 
-func defer_call()  {
-    defer func() {
-        fmt.Println("打印前")
-    }()
+func defer_call() {
+	defer func() {
+		fmt.Println("打印前")
+	}()
 
-    defer func() {
-//        if err := recover(); err != nil {
-//            fmt.Println(err) //err就是panic
-//        }
-        fmt.Println("打印中")
-    }()
+	defer func() {
+		//        if err := recover(); err != nil {
+		//            fmt.Println(err) //err就是panic
+		//        }
+		fmt.Println("打印中")
+	}()
 
-    defer func() {
+	defer func() {
 		fmt.Println("打印后")
 	}()
 

interview/02.go

@@ -4,40 +4,40 @@ package main
 import "fmt"
 
 type student struct {
-    Name string
-    Age  int
+	Name string
+	Age  int
 }
 
 func pase_student() map[string]*student {
-    m := make(map[string]*student)
-    stus := []student{
-        {"zhou", 24},
-        {"li", 23},
-        {"wang", 22},
-    }
+	m := make(map[string]*student)
+	stus := []student{
+		{"zhou", 24},
+		{"li", 23},
+		{"wang", 22},
+	}
 
-    for _, stu := range stus {
-//        fmt.Println(stu)
-//        println(&stu)
-        m[stu.Name] = &stu
-    }
+	for _, stu := range stus {
+		//        fmt.Println(stu)
+		//        println(&stu)
+		m[stu.Name] = &stu
+	}
 
-    // 正确
-//    for i:=0;i<len(stus);i++  {
-//        m[stus[i].Name] = &stus[i]
-//    }
-//    for i, _ := range stus {
-//        stu := stus[i]//这里直接用key来取value赋值到stu变量中，这样stu的地址都是新的。
-//        m[stu.Name] = &stu
-//    }
+	// 正确
+	//    for i:=0;i<len(stus);i++  {
+	//        m[stus[i].Name] = &stus[i]
+	//    }
+	//    for i, _ := range stus {
+	//        stu := stus[i]//这里直接用key来取value赋值到stu变量中，这样stu的地址都是新的。
+	//        m[stu.Name] = &stu
+	//    }
 
-    return m
+	return m
 }
 
 func main() {
-    students := pase_student()
-    fmt.Println(students)
-    for k, v := range students {
-        fmt.Printf("key=%s,value=%v\n", k, v)
-    }
+	students := pase_student()
+	fmt.Println(students)
+	for k, v := range students {
+		fmt.Printf("key=%s,value=%v\n", k, v)
+	}
 }

interview/04.go

@@ -8,22 +8,22 @@ import (
 type People struct{}
 
 func (p *People) ShowA() {
-    fmt.Println("showA")
-    p.ShowB()
+	fmt.Println("showA")
+	p.ShowB()
 }
 func (p *People) ShowB() {
-    fmt.Println("showB")
+	fmt.Println("showB")
 }
 
 type Teacher struct {
-    People
+	People
 }
 
 func (t *Teacher) ShowB() {
-    fmt.Println("teacher showB")
+	fmt.Println("teacher showB")
 }
 
 func main() {
-    t := Teacher{}
-    t.ShowA()
+	t := Teacher{}
+	t.ShowA()
 }

interview/05.go

@@ -7,15 +7,15 @@ import (
 )
 
 func main() {
-    runtime.GOMAXPROCS(1)
-    int_chan := make(chan int, 1)
-    string_chan := make(chan string, 1)
-    int_chan <- 1
-    string_chan <- "hello"
-    select {
-    case value := <-int_chan:
-        fmt.Println(value)
-    case value := <-string_chan:
-        panic(value)
-    }
+	runtime.GOMAXPROCS(1)
+	int_chan := make(chan int, 1)
+	string_chan := make(chan string, 1)
+	int_chan <- 1
+	string_chan <- "hello"
+	select {
+	case value := <-int_chan:
+		fmt.Println(value)
+	case value := <-string_chan:
+		panic(value)
+	}
 }

interview/06.go

@@ -6,17 +6,17 @@ import (
 )
 
 func calc(index string, a, b int) int {
-    ret := a + b
-    fmt.Println(index, a, b, ret)
-    return ret
+	ret := a + b
+	fmt.Println(index, a, b, ret)
+	return ret
 }
 
 func main() {
-    a := 1
-    b := 2
-    defer calc("1", a, calc("10", a, b))
-    a = 0
-    defer calc("2", a, calc("20", a, b))
+	a := 1
+	b := 2
+	defer calc("1", a, calc("10", a, b))
+	a = 0
+	defer calc("2", a, calc("20", a, b))
 	a = 3
-    b = 1
+	b = 1
 }

interview/07.go

@@ -2,11 +2,11 @@
 package main
 
 import (
-    "fmt"
+	"fmt"
 )
 
 func main() {
-    s := make([]int, 5)
-    s = append(s, 1, 2, 3)
-    fmt.Println(s)
+	s := make([]int, 5)
+	s = append(s, 1, 2, 3)
+	fmt.Println(s)
 }

interview/08.go

@@ -2,9 +2,9 @@
 package main
 
 import (
-    "fmt"
+	"fmt"
 	"sync"
-    "time"
+	"time"
 )
 
 type UserAges struct {
@@ -32,15 +32,15 @@ func main() {
 
 	go func() {
 		for i := 0; i < 1000; i++ {
-            a.Add("TEST", 12)
+			a.Add("TEST", 12)
 		}
 	}()
 
-    go func() {
+	go func() {
 		for i := 0; i < 1000; i++ {
-            fmt.Println(a.Get("TEST"))
+			fmt.Println(a.Get("TEST"))
 		}
-    }()
+	}()
 
-    time.Sleep(time.Hour)
+	time.Sleep(time.Hour)
 }

interview/09.go

@@ -2,36 +2,36 @@
 package main
 
 import (
-    "sync"
-    "fmt"
+	"fmt"
+	"sync"
 )
 
 type threadSafeSet struct {
-    sync.RWMutex
-    s []interface{}
+	sync.RWMutex
+	s []interface{}
 }
 
 func (set *threadSafeSet) Iter() <-chan interface{} {
-    //ch := make(chan interface{}) // 解除注释看看！
-    ch := make(chan interface{},len(set.s))
-    go func() {
-        set.RLock()
+	//ch := make(chan interface{}) // 解除注释看看！
+	ch := make(chan interface{}, len(set.s))
+	go func() {
+		set.RLock()
 
-        for elem,value := range set.s {
-            ch <- elem
-            println("Iter:",elem,value)
-        }
+		for elem, value := range set.s {
+			ch <- elem
+			println("Iter:", elem, value)
+		}
 
-        close(ch)
-        set.RUnlock()
-    }()
-    return ch
+		close(ch)
+		set.RUnlock()
+	}()
+	return ch
 }
 
-func main()  {
-    th:=threadSafeSet{
-        s:[]interface{}{"1","2", "3", "4", "5", "6", "7", "8"},
-    }
-    v:=<-th.Iter()
-    fmt.Sprintf("%s%v","ch",v)
+func main() {
+	th := threadSafeSet{
+		s: []interface{}{"1", "2", "3", "4", "5", "6", "7", "8"},
+	}
+	v := <-th.Iter()
+	fmt.Sprintf("%s%v", "ch", v)
 }

interview/10.go

@@ -12,7 +12,7 @@ type People interface {
 type Stduent struct{}
 
 func (stu *Stduent) Speak(think string) (talk string) {
-//func (stu Stduent) Speak(think string) (talk string) {
+	//func (stu Stduent) Speak(think string) (talk string) {
 	if think == "bitch" {
 		talk = "You are a good boy"
 	} else {

interview/15.go

@@ -2,12 +2,12 @@
 package main
 
 import (
-    "fmt"
+	"fmt"
 )
 
 func main() {
-    list := new([]int)
-//    list := make([]int, 0)
-    list = append(list, 1)
-    fmt.Println(list)
+	list := new([]int)
+	//    list := make([]int, 0)
+	list = append(list, 1)
+	fmt.Println(list)
 }

interview/16.go

@@ -7,6 +7,6 @@ func main() {
 	s1 := []int{1, 2, 3}
 	s2 := []int{4, 5}
 	s1 = append(s1, s2)
-//	s1 = append(s1, s2...)
+	//	s1 = append(s1, s2...)
 	fmt.Println(s1)
 }

interview/17.go

@@ -3,7 +3,7 @@ package main
 
 import (
 	"fmt"
-    "reflect"
+	"reflect"
 )
 
 func main() {
@@ -34,11 +34,11 @@ func main() {
 	if sm1 == sm2 {
 		fmt.Println("sm1 == sm2")
 	}
-//    if reflect.DeepEqual(sm1, sm2) {
-//        fmt.Println("sm1 == sm2")
-//    } else {
-//        fmt.Println("sm1 == sm2")
-//    }
+	//    if reflect.DeepEqual(sm1, sm2) {
+	//        fmt.Println("sm1 == sm2")
+	//    } else {
+	//        fmt.Println("sm1 == sm2")
+	//    }
 }
 
 //结构体属性中有不可以比较的类型，如map,slice。不能比较