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詳解json string轉(zhuǎn)換為java bean及實(shí)例代碼
pom中添加如下兩個(gè)庫:
<dependency> <groupId>org.codehaus.jackson </groupId> <artifactId>jackson-core-asl</artifactId> <version>1.9.2</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.alibaba </groupId> <artifactId>fastjson</artifactId> <version>1.2.7</version> <scope>provided</scope> </dependency>
java bean的定義為:
package test.fastjson; import java.util.HashMap; import java.util.Map; import org.codehaus.jackson.annotate.JsonIgnoreProperties; import org.codehaus.jackson.annotate.JsonProperty; //簡(jiǎn)單地忽略掉從JSON(由于在應(yīng)用中沒有完全匹配的POJO)中獲得的所有“多余的”屬性 @JsonIgnoreProperties(ignoreUnknown = true) public class ESMetaDataInfoIndex { //改變某個(gè)成員屬性所使用的JSON名稱 @JsonProperty("tableStrategy") private String tableStrategy = null; @JsonProperty("indexName") private String indexName = null; @JsonProperty("topic") private String topic = null; @JsonProperty("nameSpace") private String nameSpace = null; @JsonProperty("extendAttr") private Map<String, String> extendAttr = new HashMap<String, String>(); @JsonProperty("type") private String type = null; @JsonProperty("ttl") private int ttl = 0; @JsonProperty("splitCol") private String splitCol = null; /** **/ public String getTableStrategy() { return tableStrategy; } public void setTableStrategy(String tableStrategy) { this.tableStrategy = tableStrategy; } /** **/ public String getIndexName() { return indexName; } public void setIndexName(String indexName) { this.indexName = indexName; } /** **/ public String getTopic() { return topic; } public void setTopic(String topic) { this.topic = topic; } /** **/ public String getNameSpace() { return nameSpace; } public void setNameSpace(String nameSpace) { this.nameSpace = nameSpace; } /** **/ public Map<String, String> getExtendAttr() { return extendAttr; } public void setExtendAttr(Map<String, String> extendAttr) { this.extendAttr = extendAttr; } /** **/ public String getType() { return type; } public void setType(String type) { this.type = type; } /** **/ public int getTtl() { return ttl; } public void setTtl(int ttl) { this.ttl = ttl; } /** **/ public String getSplitCol() { return splitCol; } public void setSplitCol(String splitCol) { this.splitCol = splitCol; } }
測(cè)試用例為:
ESMetaDataInfoIndex dataInfo = JSON.parseObject(json.toJSONString(),ESMetaDataInfoIndex .class);
以上就是json string轉(zhuǎn)換為java bean的實(shí)例,如有疑問請(qǐng)留言或者到本站社區(qū)交流討論,感謝閱讀,希望能幫助到大家,謝謝大家對(duì)本站的支持!
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