PHP 接口数组形式 · 我的网页程序

``` //json格式输出 public function json() { $json = '{"a":1,"b":2,"c":3,"d":4,"e":5}'; echo $json; echo ' ---------------------- '; $libstatis='{ "code": 0, "data": [{ "answer_count": 14, "created_at": "2019-09-06 16:35:06", "id": 1, "level": 1, "name": "初级题库", "questions_count": 171 }, { "answer_count": 9, "created_at": "2019-09-06 16:35:20", "id": 2, "level": 2, "name": "中级题库", "questions_count": 15 }, { "answer_count": 0, "created_at": "2019-09-06 16:35:30", "id": 3, "level": 3, "name": "高级题库", "questions_count": 0 }], "message": "操作成功" }'; echo $libstatis; echo ' ---------------------- '; echo 'json对象的编码与反编码** json_encode() 对**PHP 变量**进行json编码,转换为字符串类型的json对象 json_decode() 对 JSON 格式的字符串进行编码并且把它转换为 PHP 变量'; echo ' ------- '; $arr1 = Array('oen','two','three'); $a = json_encode($arr1); //转为对象 // $a = json_decode($arr1,true); //转为数组 // dump($a) ; echo $a; echo ' ------- '; $arr2 = Array(1=>'oen',2=>'two',3=>'three'); $b = json_encode($arr2); echo $b; echo ' ------- '; echo '对象数组输出 '; $arr3 = [ ['title'=>"点位1",'content'=>"我的备注",'point'=>"123.396985|41.681597",'isOpen'=>0,'icon'=>['w'=>0,'h'=>0,'l'=>0,'t'=>0,'x'=>0,'lb'=>0]], ['title'=>"点位2",'content'=>"我的备注",'point'=>"123.434714|41.672222",'isOpen'=>0,'icon'=>['w'=>0,'h'=>0,'l'=>0,'t'=>0,'x'=>0,'lb'=>0]], ['title'=>"点位3",'content'=>"我的备注",'point'=>"123.443086|41.77035",'isOpen'=>0,'icon'=>['w'=>0,'h'=>0,'l'=>0,'t'=>0,'x'=>0,'lb'=>0]] ]; echo json_encode($arr3); echo ' ------- '; } ```