Demo: JSON 表示一个数字
2.90
Demo: JSON 表示一个字符串
"Hello world"
Demo: JSON 表示一个对象
{
"name":"smith".
"age":30,
"sex":"男"
}
Demo: JSON对象的属性可以是对象
{
"name":"smith".
"age":28,
"sex":"男"
"school":{
"sname":"南京大学".
"address":"南京市鼓楼区汉口路22号"
}
}
Demo: JSON 格式表示数组
保存名字的数组: ["张三","李四","王五"]
保存雇员的信息: ["smith",1001,"clerck",7788,2000.00,200.0]
[
["smith",1001,"clerck",7788,2000.00,200.0]
["smith",1001,"clerck",7788,2000.00,200.0]
["smith",1001,"clerck",7788,2000.00,200.0]
]
[
{"name":"smith","empno":1001,"job":"clerck","sal":9000.00,"comm":5000.00},
{"name":"smith","empno":1001,"job":"clerck","sal":9000.00,"comm":5000.00},
{"name":"smith","empno":1001,"job":"clerck","sal":9000.00,"comm":5000.00},
]
Demo: 对象数组
在一个数组保存多个 json 对象 (在一个数组中保存多个对象)
[
{
"title":"Java 开发",
"edition":3,
"author":["smith","张三","李四"]
},
{
"title":"Web 开发",
"edition":3,
"author":["Allen","王五","赵六"]
}
]
二维数组保存
[
["Java 开发",3,["smith","张三","李四"]],
["Web 开发",3["Allen","王五","赵六"]]
]
