任务目标:将下列数组对象，转化成json格式
tdClass Object
[id] => 9e929826-5c81-11e5-a788-00163e000c27
[lawyerName] => 郭俊亭
[lawFirm] => 新疆德新律师事务所
[region] => 喀什地区
[licenseAreas] => Array
(
[0] => stdClass Object
(
[name] => 合同纠纷
[code] => 9
[score] => 50
[year] => 3
[count] => 12
[starLevel] => Array
(
[0] => 2
[1] => 2
[2] => 2
[3] => 2
[4] => 2
)
)
[1] => stdClass Object
(
[name] => 财产损害
[code] => 7
[score] => 50
[year] => 3
[count] => 11
[starLevel] => Array
(
[0] => 2
[1] => 2
[2] => 2
[3] => 2
[4] => 2
)
)
[2] => stdClass Object
(
[name] => 人身损害
[code] => 4
[score] => 45
[year] => 4
[count] => 4
[starLevel] => Array
(
[0] => 2
[1] => 2
[2] => 2
[3] => 2
[4] => 1
)
)
)
[activeType] => 1
[courts] => Array
(
[0] => stdClass Object
(
[name] => 新疆克孜勒苏柯尔克孜自治州阿图什市人民法院
[code] => 3470
[count] => 1
)
[1] => stdClass Object
(
[name] => 新疆喀什地区中级人民法院
[code] => 3474
[count] => 14
)
[2] => stdClass Object
(
[name] => 新疆维吾尔自治区高级人民法院
[code] => 3413
[count] => 5
)
)
[totalJudgementCount] => 38
[licenseNumber] => 16531200410618832
[licenseYear] => -1
)
思路：读文件，存成字符串。再将字符串转化成数组。对数组进行遍历处理。
代码：
<?php
/**
* Created by PhpStorm.
* User: zq
* Date: 2018/5/11
* Time: 9:54
*/
header("content-type:text/html;charset=utf-8");//处理乱码
$str = file_get_contents('obj.txt');//将整个文件内容读入到一个字符串中
$arr = explode("\r\n", $str);//转换成数组
$string_key=" => ";
$stack = array();
//用栈实现括号匹配，如果row为）并且栈顶为1输出}，else]
foreach ($arr as &$row) {
$row = trim($row);//去除两端多余字符
//{
if(strpos($row,"Object") !==false){
array_push($stack, "1");
$row =str_replace($string_key,"",$row);
echo "{<br>";
}
//[
if(strpos($row,"Array") !==false) {
array_push($stack, "0");
$row =str_replace(" => Array","",$row);
$row =str_replace("[","\"",$row);
$row =str_replace("]","\":",$row);
echo $row;
echo "[<br>";
}
//利用正则表达式,匹配数组元素
if(preg_match("/\[[0-9]\]\s=>\s/",$row)){
$row=preg_replace("/\[[0-9]\]\s=>\s/","",$row);
echo $row.",<br>";
}
//一般元素处理
if(strpos($row,$string_key) !==false){
$row =str_replace($string_key, ":\"" ,$row);
$row =str_replace("[","\"",$row);
$row =str_replace("]","\"",$row);
echo $row."\",<br>";
}
//出栈,右括号匹配
if(strpos($row,")") !==false){
$pop=array_pop($stack);
if($pop==1){
echo "}";
if(!empty($stack))
echo ",";
}
if($pop==0){
echo "]";
if(!empty($stack))
echo ",";
}
}
}
unset($row);//释放row
?>
知识点:
1.json格式的理解.
2.乱码处理
3.栈实现括号匹配
4.strpos()函数:用来判断字符串是否包含另一个字符串
5.str_replace()函数:替换字符串
6.正则表达式,以及正则表达式匹配与替换.
if(preg_match("/\[[0-9]\]\s=>\s/",$row)){
$row=preg_replace("/\[[0-9]\]\s=>\s/","",$row);
}
匹配了[5] => 等
\s为空格
总结:
起初对json格式理解不够,浪费许多时间.通过应输出json格式与原文件对比,进行分析,会更加快速准确.
https://www.bejson.com/jsonviewernew/
json在线视图查看器