Java new project 注意事项

最新推荐文章于 2022-07-18 22:47:37 发布

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#java #spreadsheet #string #compiler #session #output

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本文介绍了一个使用Java进行XQuery查询的具体示例。通过创建一个Java项目并配置正确的JDK环境，示例展示了如何连接到MarkLogic数据库，并执行XQuery来检索XML文档中的特定样式元素。

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新建一个java项目的时候，要注意2个地方

Java Compiler : Jdk 要正确
Java Build Path -> Libraries : 引入jar包


import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

import org.jdom2.JDOMException;

import com.marklogic.xcc.ContentSource;
import com.marklogic.xcc.ContentSourceFactory;
import com.marklogic.xcc.Request;
import com.marklogic.xcc.ResultSequence;
import com.marklogic.xcc.Session;
import com.marklogic.xcc.exceptions.RequestException;
import com.marklogic.xcc.exceptions.XccConfigException;

public class XQuery {

	public static void main(String[] args) throws URISyntaxException, XccConfigException, RequestException, JDOMException, IOException {
		
		URI uri = new URI("xcc://yuxi:pacific@192.168.11.128:8019/lein_database");
		ContentSource contentSource = ContentSourceFactory.newContentSource (uri);
		Session session = contentSource.newSession();
		String xql = "xquery version \"1.0-ml\";";
		
		xql += "declare namespace ss = \"urn:schemas-microsoft-com:office:spreadsheet\";";
		xql += "doc(\"/opt/MarkLogic/lein_root/partner_creatives-1.xml\")/ss:Workbook/ss:Styles/ss:Style[@ss:ID=\"s27\"];";
		
		Request request = session.newAdhocQuery (xql);
		ResultSequence rs = session.submitRequest (request);
		System.out.println (rs.asString());
		
		System.out.println("");
		
		StringReader reader = new StringReader(rs.asString());
		InputSource source = new InputSource(reader);
		SAXBuilder sb = new SAXBuilder();
		Document doc = sb.build(source);
		XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat());
		String output = outputter.outputString(doc);
		System.out.println (output);
		
		session.close();
	}
}