string-新手求解java如何从一串字符串中提取关键字，并存入mysql
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mysqlstringjava 我从txt文档中读取了大概几万行的字符串，并存入string数组中，每个数组里的内容大概如下
{"gps":{"type":"gps","Lon":116.34948495921601,"status":"available","Lat":39.9621098626166},"time":"2015-11-11 19:24:57+0800","wifi":[{"ssid":"TP-LINK_514","mac":"88:25:93:69:36:d5","dbm":-43},{"ssid":"LiebaoFree150","mac":"5e:4b:d6:d5:b1:31","dbm":-56},{"ssid":"TP-LINK_5G_514","mac":"88:25:93:69:36:d4","dbm":-51},{"ssid":"10-331","mac":"1c:7e:e5:55:22:b6","dbm":-82},{"ssid":"1%ts","mac":"fc:d7:33:7f:51:d8","dbm":-77},{"ssid":"BUPT-dot1x","mac":"d8:c7:c8:02:a1:19","dbm":-85},{"ssid":"516NB","mac":"fc:d7:33:7f:e9:dc","dbm":-70},{"ssid":"Kevin","mac":"f4:b7:e2:b7:0e:25","dbm":-86},{"ssid":"ChinaNet","mac":"2e:4b:d6:ab:5e:2b","dbm":-62},{"ssid":"517","mac":"fc:d7:33:7f:50:30","dbm":-79},{"ssid":"OP","mac":"36:de:1a:71:82:0c","dbm":-78},{"ssid":"BUPT-1","mac":"d8:c7:c8:02:a1:18","dbm":-89},{"ssid":"360WiFi-414","mac":"8c:a9:82:00:8d:03","dbm":-71},{"ssid":"TP-LINK 414","mac":"80:89:17:fd:8e:82","dbm":-82},{"ssid":"TP-LINK_L","mac":"fc:d7:33:80:08:ea","dbm":-90},{"ssid":"211_Class8_SICE_Building5","mac":"ec:88:8f:43:33:d4","dbm":-91},{"ssid":"TP-LINK_1303","mac":"fc:d7:33:80:09:6c","dbm":-87}],"cell":[{"connected":true,"mnc":"46001","cell_type":"gsm_uni","dbm":-79,"m":"one","networktype":"UMTS","cid":7089899,"lac":41052}]}
请问我该用什么方法，把其中每个{}内的内容提取出来，并按照ssid，mac，dbm 分别存入mysql中
而且每串字符串中，{}的数目不固定
谢谢
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