SSM框架的客户关系管理系统

简易的客户关系管理系统，SSM框架实现，适合新手入门，数据库采用MySQL

package cn.hbue.common.utils;

import java.io.IOException;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.taglibs.standard.tag.common.core.UrlSupport;

/**
 * 显示格式 上一页 1 2 3 4 5 下一页
 */
public class NavigationTag extends TagSupport {
    static final long serialVersionUID = 2372405317744358833L;
    
    /**
     * request 中用于保存Page 对象的变量名默认为“page”
     */
    private String bean = “page“;
    
    /**
     * 分页跳转的url地址此属性必须
     */
    private String url = null;
    
    /**
     * 显示页码数量
     */
    private int number = 5;
    
    @Override
    public int doStartTag（） throws JspException {
        JspWriter writer = pageContext.getOut（）;
        HttpServletRequest request = （HttpServletRequest） pageContext.getRequest（）;
        Page page = （Page）request.getAttribute（bean）; 
        if （page == null） 
            return SKIP_BODY;
        url = resolveUrl（url pageContext）;
        try {
        	//计算总页数
        	int pageCount = page.getTotal（） / page.getSize（）;
        	if （page.getTotal（） % page.getSize（） > 0） {
        		pageCount++;
        	}
        	writer.print（““）;
        } catch （IOExcepti

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-12-06 19:01  SSM_crm\
     文件        4492  2018-12-02 14:55  SSM_crm\.classpath
     文件        1040  2018-12-02 14:49  SSM_crm\.project
     目录           0  2018-12-04 13:26  SSM_crm\.settings\
     文件         567  2018-12-02 14:49  SSM_crm\.settings\.jsdtscope
     文件         364  2018-12-02 14:49  SSM_crm\.settings\org.eclipse.jdt.core.prefs
     文件         550  2018-12-02 14:55  SSM_crm\.settings\org.eclipse.wst.common.component
     文件         345  2018-12-02 14:49  SSM_crm\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2018-12-02 14:49  SSM_crm\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2018-12-02 14:49  SSM_crm\.settings\org.eclipse.wst.jsdt.ui.superType.name
     目录           0  2018-12-04 13:26  SSM_crm\build\
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\common\
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\common\utils\
     文件        4969  2018-12-02 15:25  SSM_crm\build\classes\cn\hbue\common\utils\NavigationTag.class
     文件        1485  2018-12-02 15:25  SSM_crm\build\classes\cn\hbue\common\utils\Page.class
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\crm\
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\crm\controller\
     文件        2645  2018-12-03 14:55  SSM_crm\build\classes\cn\hbue\crm\controller\CustomerController.class
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\crm\mapper\
     文件         280  2018-12-03 09:30  SSM_crm\build\classes\cn\hbue\crm\mapper\baseDictDao.class
     文件         343  2018-12-03 09:36  SSM_crm\build\classes\cn\hbue\crm\mapper\baseDictDao.xml
     文件         561  2018-12-03 14:53  SSM_crm\build\classes\cn\hbue\crm\mapper\CustomerDao.class
     文件        1933  2018-12-03 14:53  SSM_crm\build\classes\cn\hbue\crm\mapper\CustomerDao.xml
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\crm\pojo\
     文件        2691  2018-12-03 09:25  SSM_crm\build\classes\cn\hbue\crm\pojo\baseDict.class
     文件        3129  2018-12-03 10:22  SSM_crm\build\classes\cn\hbue\crm\pojo\Customer.class
     文件        1871  2018-12-03 10:22  SSM_crm\build\classes\cn\hbue\crm\pojo\QueryVo.class
     目录           0  2018-12-04 13:26  SSM_crm\build\classes\cn\hbue\crm\service\
............此处省略120个文件信息