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1.简单的处理list和mapJava代码1.Gsongson=newGson();2.ListtestList=newArrayList();3.testList.add("first");4.testList.add("second");5.StringlistToJson=gson.toJson(testList);6.System.out.println(listToJson);7.//prints["first","second"]8.9.MaptestMap=newHashMap();10.testMap.put("id","id.first");11.testMap.put("name","name.second");12.StringmapToJson=gson.toJson(testMap);13.System.out.println(mapToJson);14.//prints{"id":"id.first","name":"name.second"}Gsongson=newGson();ListtestList=newArrayList();testList.add("first");testList.add("second");StringlistToJson=gson.toJson(testList);System.out.println(listToJson);//prints["first","second"]MaptestMap=newHashMap();testMap.put("id","id.first");testMap.put("name","name.second");StringmapToJson=gson.toJson(testMap);System.out.println(mapToJson);//prints{"id":"id.first","name":"name.second"}2.处理带泛型的集合Java代码1.List<TestBean>testBeanList=newArrayList<TestBean>();2.TestBeantestBean=newTestBean();3.testBean.setId("id");4.testBean.setName("name");5.testBeanList.add(testBean);List<TestBean>testBeanList=newArrayList<TestBean>();TestBeantestBean=newTestBean();testBean.setId("id");testBean.setName("name");testBeanList.add(testBean);Java代码1.java.lang.reflect.Typetype=newcom.google.gson.reflect.TypeToken<List<TestBean>>(){2.}.getType();3.StringbeanListToJson=gson.toJson(testBeanList,type);4.System.out.println(beanListToJson);5.//prints[{"id":"id","name":"name"}]6.7.List<TestBean>testBeanListFromJson=gson.fromJson(beanListToJson,type);8.System.out.println(testBeanListFromJson);9.//prints[TestBean@1ea5671[id=id,name=name,birthday=<null>]]java.lang.reflect.Typetype=newcom.google.gson.reflect.TypeToken<List<TestBean>>(){}.getType();StringbeanListToJson=gson.toJson(testBeanList,type);System.out.println(beanListToJson);//prints[{"id":"id","name":"name"}]List<TestBean>testBeanListFromJson=gson.fromJson(beanListToJson,type);System.out.println(testBeanListFromJson);//prints[TestBean@1ea567