CommonMenu.java

最新推荐文章于 2023-06-25 16:55:53 发布

原创最新推荐文章于 2023-06-25 16:55:53 发布 · 532 阅读

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文章标签：

#string #button #delete #query #input #action

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本文介绍了一个使用JSP自定义标签实现的菜单组件，该组件可以根据配置动态显示不同的操作按钮，如添加、删除、编辑等。通过设置属性可以灵活控制每个操作的显示与否。

package com.huawei.common.util;

import java.io.IOException;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.BodyTagSupport;
import javax.servlet.jsp.tagext.Tag;
import javax.servlet.jsp.tagext.TagSupport;

public class CommonMenu extends TagSupport {
    String beanUrl;// 存放类的路径
    String actionUrl;// action 的url
    String attrVoName;// action 中vo的名字
    String fieldType;// 这个属性主要是解决一个表的属性是由哪个表的字段选择而来格式：ownFiled1:otherTable1.filed1;
    String add = "true";
    String delete = "true";
    String edit = "true";
    String query = "true";
    String export = "true";
    public int doStartTag() {
        JspWriter jw = this.pageContext.getOut();
        try {
            jw.write("<table border=1>");
            jw.write("<tr>");
            if (add.equalsIgnoreCase("true"))
                jw
                        .write("<input type='button' onClick=/"submitPubOper('add')/" value='add'> ");
            if (delete.equalsIgnoreCase("true"))
                jw
                        .write("<input type='button' onClick=/"alert('delete')/" value='delete'> ");
            if (edit.equalsIgnoreCase("true"))
                jw
                        .write("<input type='button' onClick=/"alert('edit')/" value='edit'> ");
            if (query.equalsIgnoreCase("true"))
                jw
                        .write("<input type='button' onClick=/"alert('query')/" value='query'> ");
            if (export.equalsIgnoreCase("true"))
                jw
                        .write("<input type='button' onClick=/"alert('export')/" value='export'> ");
            jw.write("</tr>");
            jw.write("</table>");
            jw.write("<br/>");
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return Tag.SKIP_BODY;
    }

    /*
    * public int doEndTag() throws JspException { return Tag.EVAL_PAGE; }
    */

    public void setActionUrl(String actionUrl) {
        this.actionUrl = actionUrl;
    }

    public void setAttrVoName(String attrVoName) {
        this.attrVoName = attrVoName;
    }


    public void setAdd(String add) {
        this.add = add;
    }

    public void setDelete(String delete) {
        this.delete = delete;
    }

    public void setEdit(String edit) {
        this.edit = edit;
    }

    public void setQuery(String query) {
        this.query = query;
    }

    public void setExport(String export) {
        this.export = export;
    }

    public void setBeanUrl(String beanUrl) {
        this.beanUrl = beanUrl;
    }

    public void setFieldType(String fieldType) {
        this.fieldType = fieldType;
    }



}