介绍 <李> <李> ,,, & lt; !——添加杰克逊包——比;
,,,,,,,& lt; dependency>
,,,,,,,,,,,& lt; groupId> com.fasterxml.jackson.core
,,,,,,,,,,,& lt; artifactId> jackson-databind
,,,,,,,,,,,& lt; version> 2.8.3
,,,,,,,& lt;/dependency> ObjectMapper mapper =, new objectmap ();
Resource Resource =, mapper.convertValue(地图,Resource.class); public void parseSettings () {
,,,,,,,
String settings = "{"基本设置":{"name":"基本设置","entries":[{"name":"站号","type":"number","description":"","value":"1"},{"name":"AppEUI","type":"string","description":"","value":"2C26C503A0010006"},{"name":"DevEUI","type":"string","description":"","value":"4A7703A000FC09"},{"name":"命令次数","type":"number","description":"","value":"2"},{"name":"父井号","type":"string","description":"","value":"test11"}]},"油阀间":{"name":"油阀间","entries":[{"name":"上传间隔时间","type":"number","description":"","value":"2"},{"name":"设定值","type":"number","description":"","value":"10"},{"name":"波动值","type":"number","description":"","value":"1"},{"name":"控制模式","type":"number","description":"","value":"0"},{"name":"调节上限","type":"number","description":"","value":"15"},{"name":"调节下限","type":"number","description":"","value":"5"},{"name":"调节时间","type":"number","description":"","value":"10"}]},"采集调度":{"name":"采集调度","entries":[{"name":"interval","type":"number","description":"","value":"2"}]}}";
,,,,,,,ObjectMapper ObjectMapper =, new objectmap ();
,,,,,,,JavaType JavaType =, objectMapper.getTypeFactory () .constructMapType (HashMap.class, String.class,, SettingGroup.class);
,,,,,,,try {
,,,,,,,,,,,Map<字符串,SettingGroup>,,,, mapSettings =,,,, objectMapper.readValue(设置,,将javaType);
,,,,,,,,,,,,SettingGroup group =, mapSettings.get(“基本设置“);
,,,,,,,,,,,,for (SettingEntry entry : group.getEntries ()), {
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本篇内容主要讲解“怎么用objectmap将地图转换为实体类”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习”怎么用objectmap将地图转换为实体类”吧!
<编辑类="目录">目录objectmap将复杂图转为实体类
背景
<李>1。使用objectmap要添加的依赖是
<李>2。将复杂地图开始转换
<李>objectmap解析复杂json toMap
objectmap将复杂图转为实体类
背景
用fastjson转换复杂的地图是浅层的可以转深层的转换为零,这时候可以用杰克逊来转。
1。使用objectmap要添加的依赖是
2。将复杂地图开始转换
注意的点:实体类中的字段是驼峰的首字母不能大写。
