https://www.elastic.co/guide/en/elasticsearch/client/java-api/6.1/java-docs-index.html
Generate JSON document
There are several different ways of generating a JSON document:
- Manually (aka do it yourself) using native byte[] or as a String （把JSON格式文档手动转换为 byte[]或String）
- Using a Map that will be automatically converted to its JSON equivalent （使用Map，代表一个JSON机构）
- Using a third party library to serialize your beans such as Jackson （使用Jackson 等第三方库把JavaBean转换为JSON）
- Using built-in helpers XContentFactory.jsonBuilder() （使用内置帮助类XContentFactory的.jsonBuilder()方法）
2、实例演示
package cn.hadron;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.xcontent.XContentBuilder;
import cn.hadron.es.*;
import org.elasticsearch.common.xcontent.XContentType;
import java.io.IOException;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
public class PutDocDemo {
public static void main(String[] args) throws Exception{
TransportClient client=ESUtil.getClient();
String json = "{" +
"\"id\":\"1\"," +
"\"title\":\"Java设计模式之装饰模式\"," +
"\"content\":\"在不必改变原类文件和使用继承的情况下，动态地扩展一个对象的功能。\"," +
"\"postdate\":\"2018-02-03 14:38:00\"," +
"\"url\":\"csdn.net/79239072\"" +
"}";
System.out.println(json);
IndexResponse response =client.prepareIndex("index1", "blog","1")
.setSource(json, XContentType.JSON)
.get();
System.out.println(response.status());
XContentBuilder doc1 = jsonBuilder()
.startObject()
.field("id","2")
.field("title","Java设计模式之单例模式")
.field("content","枚举单例模式可以防反射攻击。")
.field("postdate","2018-02-03 19:27:00")
.field("url","csdn.net/79247746")
.endObject();
System.out.println(doc1.toString());
response = client.prepareIndex("index1", "blog", "2")
.setSource(doc1)
.get();
System.out.println(response.status());
}
}
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3、Kibana验证
GET index1/blog/1
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{
"_index": "index1",
"_type": "blog",
"_id": "1",
"_version": 1,
"found": true,
"_source": {
"id": "1",
"title": "Java设计模式之装饰模式",
"content": "在不必改变原类文件和使用继承的情况下，动态地扩展一个对象的功能。",
"postdate": "2018-02-03 14:38:00",
"url": "csdn.net/79239072"
}
}
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GET index1/blog/2
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{
"_index": "index1",
"_type": "blog",
"_id": "2",
"_version": 1,
"found": true,
"_source": {
"id": "2",
"title": "Java设计模式之单例模式",
"content": "枚举单例模式可以防反射攻击。",
"postdate": "2018-02-03 19:27:00",
"url": "csdn.net/79247746"
}
}
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