【java】关于xml签名问题，xmlsec读取

<?xml  version="1.0"  encoding="UTF-8"?>
<document>
<request id="request">
<head>
<version>1.0.0</version>
<appid>SHHRSS71</appid>
<function>xxxx.medical.card.query</function>
<reqTime>20160229105541</reqTime>
<reqTimeZone>UTC+8</reqTimeZone>
<reqMsgId>20160229104541129849135077530072</reqMsgId>
</head>
<body>
<out_order_no>201507137646513821856579626</out_order_no>
<user_id />
<user_type />
<real_name />
</body>
</request>
<signature>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</signature>
</document>

这种格式的xml，签名验证，我要拿到signature的值，和request部分，用xmlsec怎么写呢？ 是不是签名验证都要用xmlsec来读取xml数据？

回答

【java】关于xml签名问题，xmlsec读取

    <dependencies>
        <dependency>
            <groupId>xml-security</groupId>
            <artifactId>xmlsec</artifactId>
            <version>1.0.5D2</version>
        </dependency>
        <dependency>
            <groupId>dom4j</groupId>
            <artifactId>dom4j</artifactId>
            <version>1.6.1</version>
        </dependency>
  </dependencies>

pom.xml文件中添加依赖

package tt;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
public class Test {
    public static void main(String[] args) {
        File file = new File("D:/a.txt");
        try {
            InputStreamReader inputStreamReader = new InputStreamReader(new FileInputStream(file), "GBK");
            BufferedReader bufferReader = new BufferedReader(inputStreamReader);
            String lineTXT = null;
            String signature = null;
            while ((lineTXT = bufferReader.readLine()) != null) {
                if (lineTXT.trim().startsWith("<signature>")) {
                    signature = lineTXT.trim().substring(11, lineTXT.trim().length() - 12);
                    System.out.println(signature);
                }
            }
            bufferReader.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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