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go encode decode json

import "encoding/json"
func Marshal(v interface{}) ([]byte, error)







type ColorGroup struct {  



    ID     int  



    Name   string  //




记得






大写!!!!







    Colors []string  



}  



group := ColorGroup{  



    ID:     1,  



    Name:   "Reds",  



    Colors: []string{"Crimson", "Red", "Ruby", "Maroon"},  



}  



b, err := json.Marshal(group)  
func Unmarshal(data []byte, v interface{}) error





var jsonBlob = []byte(`[  



    {"Name": "Platypus", "Order": "Monotremata"},  



    {"Name": "Quoll",    "Order": "Dasyuromorphia"}  



]`)  



type Animal struct {  



    Name  string  



    Order string  



}  



var animals []Animal  



err := json.Unmarshal(jsonBlob, &animals)  

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android hide actionbar

public class MainActivity extends Activity { ActionBar actionBar; //声明ActionBar @Override protected void onCreate( Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView( R .layout.activity_main); actionBar = getSupportActionBar(); //得 到ActionBar actionBar.hide(); //隐藏ActionBar } }
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go url encoding

func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits. func  QueryUnescape func QueryUnescape (s string ) ( string , error ) QueryUnescape does the inverse transformation of QueryEscape, converting %AB into the byte 0xAB and '+' into ' ' (space). It returns an error if any % is not followed by two hexadecimal digits.
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