プログラミング: 2016年12月アーカイブ

login.jsp

LoginAction.java

    <filter>

        <filter-name>struts2</filter-name>

        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

        <init-param>

            <param-name>actionPackages</param-name>

            <param-value>hello.lolo</param-value>

        </init-param>

    </filter>

http://localhost:8080/HelloServlet2/login.jsp

    public String execute() throws Exception {

        this.sessionMap.put("userId", null);

        this.userId = "Struts2";

        return "success";

    }

Googleで「Struts2 入門」で検索すると以下のようなさまざまな入門サイトがひっかかりますが、バージョンアップ毎の仕様変更が活発なせいなのか現時点の最新版 2.3.16 の Struts2 で動かそうとするうまくいきません。

＠いう間にWebアプリを作れる「Struts 2」入門 - @IT

Struts2入門～基本形で理解する仕組みと構造～ - CodeZine

Struts2を使ってみる

struts2-convention-plugin-2.3.31.jar

import org.apache.struts2.config.Result; 

　↓

import org.apache.struts2.convention.annotation.Result;

@Result(name = "main", value = "main.action", type = ServletRedirectResult.class)

　↓

@Result(name = "main", location = "main.action", type = "ServletRedirectResult")

import org.apache.struts2.dispatcher.*;

commons-logging-1.0.4.jar

freemarker-2.3.12.jar

commons-fileupload-1.2.1.jar

ognl-2.6.11.jar

struts2-codebehind-plugin-2.1.2.jar

struts2-core-2.1.2.jar

xwork-2.1.1.jar

commons-logging.jar

freemarker.jar

commons-fileupload.jar

ognl.jar

struts2-core.jar

xwork.jar

javassist.jar

commons-io.jar

commons-lang3.jar

※比較しやすいように並び替えている。

javassist.jar

commons-io.jar

commons-lang3.jar

struts-2.5.5\docs\struts2-core-apidocs\com\opensymphony\xwork2

package poiTest;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import org.apache.log4j.net.JMSSink;

import org.apache.poi.hssf.usermodel.HSSFClientAnchor;

import org.apache.poi.hssf.usermodel.HSSFCreationHelper;

import org.apache.poi.hssf.usermodel.HSSFPatriarch;

import org.apache.poi.hssf.usermodel.HSSFPicture;

import org.apache.poi.hssf.usermodel.HSSFSheet;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.util.IOUtils;

public class poiTest {

    private static final String IMAGE_FILE = "C:\\Users\\hogehoge\\img\\kao.jpg";

    private static final String OUTPUT_FILE = "InsertImage.xls";

    public static void main(String[] args) throws Exception {

        HSSFWorkbook wb = new HSSFWorkbook();

        HSSFSheet sheet = wb.createSheet("new sheet");

        FileInputStream inputImage = new FileInputStream(IMAGE_FILE);

        byte[] bytes = IOUtils.toByteArray(inputImage);

        int pictureIndex = wb.addPicture(bytes, 　　HSSFWorkbook.PICTURE_TYPE_JPEG);

        inputImage.close();

        HSSFCreationHelper helper = (HSSFCreationHelper) wb.getCreationHelper();

        HSSFPatriarch patriarch = sheet.createDrawingPatriarch();

        HSSFClientAnchor anchor = helper.createClientAnchor();

        anchor.setCol1((short) 1);

        anchor.setRow1(1);

        HSSFPicture picture = patriarch.createPicture(anchor, pictureIndex);

        picture.resize();

        FileOutputStream fileOut = new FileOutputStream(OUTPUT_FILE);

        wb.write(fileOut);

        fileOut.close();

    }

}

poi-3.0-rc4-20070503.jar

import org.apache.poi.hssf.usermodel.HSSFCreationHelper;

http://ftp.jaist.ac.jp/pub/apache/poi/release/bin/poi-bin-3.15-20160924.zip