我有一个有效的复杂 json,我需要解析这个 json 并用 java 打印这个复杂 json 中的 ak、dt 和 mi 的值...希望你能帮助我...
{
"CP": "{\"e\":{\"h\":{\"ak\":\"1c8d1d7eaa32ff3f58a882\",\"at\":\"app\"},\"c\":{\"dt\":\"MEmulator\",\"mi\":\"DD278047D56BF292F1FC16F\",\"ui\":\"m4J\/2s=\",\"av\":\"0.2\",\"pn\":\"WP\",\"pv\":\"7.10\",\"nv\":\"C# 1.1.0\",\"al\":\"en\"},\"b\":[{\"ts\":139658547,\"tz\":-400,\"s\":\"StartUpScreen\",\"et\":8,\"ev\":\"sessionStart\",\"si\":\"19477682-de55-414f-82c9-19bec331dc33\",\"tt\":{\"DaySessionStarted\":\"Tuesday\"}},{\"ts\":1319549658751,\"tz\":-400,\"s\":\"StartUpScreen\",\"et\":3,\"ev\":\"AutomaticFeedRefresh\",\"si\":\"19477682-de5ec331dc33\",\"tt\":{}},{\"ts\":1319549675609,\"tz\":-400,\"s\":\"MainScreen\",\"et\":3,\"ev\":\"MainScreen Event\",\"si\":\"19477682-de55-414f-82c9-19bec331dc33\",\"tt\":{}},{\"ts\":1319549677179,\"tz\":-400,\"s\":\"MainScreen\",\"et\":3,\"ev\":\"MainScreen Event\",\"si\":\"19477682-de55-414f-82c9-19bec331dc33\",\"tt\":{}},{\"ts\":1319549678401,\"tz\":-400,\"s\":\"MainScreen\",\"et\":3,\"ev\":\"MainScreen Event\",\"si\":\"19477682-de55-414f-82c9-19bec331dc33\",\"tt\":{}},{\"ts\":1319549679973,\"tz\":-400,\"s\":\"MainScreen\",\"et\":3,\"ev\":\"MainScreen Event\",\"si\":\"19477682-c9-19bec331dc33\",\"tt\":{}}],\"tt\":{\"OSV\":\"ME\"}}}",
"SP": {
"httpHeaders": {
"x-bluecoat-via": [
"35D3468F4D5F18"
],
"content-type": [
"application\/x-form-ur"
],
"connection": [
"Keep-Alive"
],
"host": [
"20.198.134.198:8080"
],
"accept": [
"text\/html, image\/gif, image\/jpeg, *; q=.2, *\/*; q=.2"
],
"content-length": [
"1791"
],
"user-agent": [
"Java\/1.6.0_23"
]
},
"senderIp": [
"112.101.216.113"
],
"receiveTimeStamp": "2012-06-26T06:29:36+0000"
}
}
最佳答案
使用json-path .
它就像 JSON 的 xpath,允许您在 JSON 对象上编写字符串查询。 项目网站上有很多示例显示了可能的用法,但在您的情况下,它可能只是一个简单的点符号。
所提供 JSON 的示例:
// First extract the CP value, as its JSON-string-inside-JSON:
String cp = JsonPath.read(yourJsonString, "$.CP");
// Treat the `cp` as another JSON-string, and extract the ak value:
String ak = JsonPath.read(cp, "$.e.h.ak");
// Do the rest yourself...
关于java - 从java中的复杂JSON中提取特定值,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/11844180/