public class SplitJson {
public static void main(String[] args) {
// TODO Auto-generated method stub
String str = "[{\"version\":\"100\"},{\"type\":\"210\"},{\"chanl_no\":\"30\"},{\"chanl_sub_no\":\"3001\"},{\"chanl_date\":\"\"},{\"chanl_time\":\"\"},{\"ectip_date\":\"\"},{\"chanl_flow_no\":\"\"},{\"ectip_flow_no\":\"\"},{\"chanl_trad_no\":\"3FC012\"},{\"term_inf\":\"\"},{\"resp_code\":\"\"},{\"resp_msg\":\"\"},{\"page\":\"\"},{\"maxrow\":\"\"},{\"locstr\":\"\"},{\"tot_rec\":\"\"},{\"ARRAY_3FC012\":\"\"},{\"0\":\"\"},{\"age\":\"23\"},{\"name\":\"小cn\"},{\"sex\":\"男\"},{\"1\":\"\"},{\"sex\":\"女\"},{\"age\":\"24\"},{\"name\":\"小王\"},{\"29\":\"\"},{\"name\":\"小张\"},{\"age\":\"22\"},{\"sex\":\"男\"}]";
//正则表达式的串为{\"29\":\"\"}
String[] splitStr = str.split("\\{\\\"\\d{1,2}\\\":\\\"\\\"\\}");
String resultStr = splitStr[0];
for(int i = 1; i < splitStr.length; i++){
resultStr += splitStr[i].replaceAll("\\},\\{", ",").substring(1);//去掉多余逗号
}
System.out.println(str);
System.out.println(resultStr);
//测试空指针异常
System.out.println(spitJson(null, null));
System.out.println(spitJson("", null));
System.out.println(spitJson("", ""));
}
public static String spitJson(String jsonStr, String regex){
if(jsonStr == null || regex == null ) return "";
String[] splitStr = jsonStr.split(regex);
String resultStr = splitStr[0];
return resultStr;
}
}