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基于javaweb的SSM新闻发布系统(java+ssm+mysql+jsp)

更新于

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

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基于javaweb的SSM新闻发布系统(java+ssm+mysql+jsp)

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		user.setId(getIpAddr(request));
		newsComment.setCreateBy(user);
		newsCommentService.save(newsComment);
		return "redirect:"+"/demo/front/look?id="+newsId;
	}
	
	//获取评论者IP地址
	private String getIpAddr(HttpServletRequest request) {
	    String ip = request.getHeader("x-forwarded-for");
	    if(ip == null || ip.length() == 0 ||"unknown".equalsIgnoreCase(ip)) {
	        ip = request.getHeader("Proxy-Client-IP");
	    }
	    if(ip == null || ip.length() == 0 ||"unknown".equalsIgnoreCase(ip)) {
	        ip = request.getHeader("WL-Proxy-Client-IP");
	    }
	    if(ip == null || ip.length() == 0 ||"unknown".equalsIgnoreCase(ip)) {
	        ip = request.getRemoteAddr();
	    }
	    return ip;
	 }
}





@Controller
@RequestMapping(value = "/system/menu")
public class MenuController {

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}


/**
 * 添加一个单元格
 * @param row 添加的行
 * @param column 添加列号
 * @param val 添加值
 * @return 单元格对象
 */
public Cell addCell(Row row, int column, Object val){
	return this.addCell(row, column, val, 0, Class.class);
}

/**
 * 添加一个单元格
 * @param row 添加的行
 * @param column 添加列号
 * @param val 添加值
 * @param align 对齐方式（1：靠左；2：居中；3：靠右）
 * @return 单元格对象
 */
public Cell addCell(Row row, int column, Object val, int align, Class<?> fieldType){
	Cell cell = row.createCell(column);
	String cellFormatString = "@";
	try {
		if(val == null){
			cell.setCellValue("");
		}else if(fieldType != Class.class){
			cell.setCellValue((String)fieldType.getMethod("setValue", Object.class).invoke(null, val));
		}else{
			if(val instanceof String) {
				cell.setCellValue((String) val);
			}else if(val instanceof Integer) {
				cell.setCellValue((Integer) val);
				cellFormatString = "0";
			}else if(val instanceof Long) {
				cell.setCellValue((Long) val);
				cellFormatString = "0";
			}else if(val instanceof Double) {
				cell.setCellValue((Double) val);
				cellFormatString = "0.00";
			}else if(val instanceof Float) {
				cell.setCellValue((Float) val);
				cellFormatString = "0.00";
			}else if(val instanceof Date) {
				cell.setCellValue((Date) val);
				cellFormatString = "yyyy-MM-dd HH:mm";
			}else {
				cell.setCellValue((String)Class.forName(this.getClass().getName().replaceAll(this.getClass().getSimpleName(), 
					"fieldtype."+val.getClass().getSimpleName()+"Type")).getMethod("setValue", Object.class).invoke(null, val));
			}
		}
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 * @param path
 * @return
 */
public static String upload(MultipartFile file,	String path){
	String fileName = file.getOriginalFilename();
	/*int size = (int) file.getSize();
	System.out.println(fileName + "-->" + size);*/
	File dest = new File(path + "/" + fileName);
	if(!dest.getParentFile().exists()){ //判断文件父目录是否存在
		dest.getParentFile().mkdir();
	}
	try {
		file.transferTo(dest); //保存文件
		return path + "/" + fileName;
	} catch (IllegalStateException e) {
		e.printStackTrace();
	} catch (IOException e) {
		e.printStackTrace();
	}
	return null;
}

/**
 * 文件下载
 * @param url 文件url
 * @param request
 * @param response
 * @return
 */
public static String downLoad(String url, HttpServletRequest request,HttpServletResponse response){
	String path=request.getRealPath("/");
	String backuppath = path + url;
	response.reset();
       response.setContentType("application/octet-stream; charset=utf-8");
       response.setHeader("Content-Disposition", "attachment; filename="+backuppath);
       //读取文件  
       try {
		InputStream in = new FileInputStream(backuppath);  
		OutputStream out = response.getOutputStream();  
		//写文件  
		int b;  
		while((b=in.read())!= -1)  
		{  
		    out.write(b);  
		}           
		in.close();  
		out.close();
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	public String list(SysDict sysDict, HttpServletRequest request, HttpServletResponse response, Model model) {
		PageInfo<SysDict> page = sysDictService.findPage(sysDict);
		model.addAttribute("pageInfo", page);
		return "/sys/sysDictList";
	}

	@RequestMapping(value = "form")
	public String form(SysDict sysDict, Model model) {
		model.addAttribute("sysDict", sysDict);
		return "/sys/sysDictForm";
	}

	@RequestMapping(value = "save")
	public String save(SysDict sysDict, Model model, RedirectAttributes redirectAttributes) {
		sysDictService.save(sysDict);
		return "redirect:"+"/demo/sysDict";
	}
	
	@RequestMapping(value = "delete")
	public String delete(SysDict sysDict, RedirectAttributes redirectAttributes) {
		sysDictService.delete(sysDict);
		/*addMessage(redirectAttributes, "删除字典管理成功");*/
		return "redirect:"+"/demo/sysDict";
	}

}
/**
 */




/**
 * 合作网站Controller
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 * @return 行对象
 */
public Row addRow(){
	return sheet.createRow(rownum++);
}


/**
 * 添加一个单元格
 * @param row 添加的行
 * @param column 添加列号
 * @param val 添加值
 * @return 单元格对象
 */
public Cell addCell(Row row, int column, Object val){
	return this.addCell(row, column, val, 0, Class.class);
}

/**
 * 添加一个单元格
 * @param row 添加的行
 * @param column 添加列号
 * @param val 添加值
 * @param align 对齐方式（1：靠左；2：居中；3：靠右）
 * @return 单元格对象
 */
public Cell addCell(Row row, int column, Object val, int align, Class<?> fieldType){
	Cell cell = row.createCell(column);
	String cellFormatString = "@";
	try {
		if(val == null){
			cell.setCellValue("");
		}else if(fieldType != Class.class){
			cell.setCellValue((String)fieldType.getMethod("setValue", Object.class).invoke(null, val));
		}else{
			if(val instanceof String) {
				cell.setCellValue((String) val);
			}else if(val instanceof Integer) {
				cell.setCellValue((Integer) val);
				cellFormatString = "0";
			}else if(val instanceof Long) {
				cell.setCellValue((Long) val);
				cellFormatString = "0";
			}else if(val instanceof Double) {
				cell.setCellValue((Double) val);
				cellFormatString = "0.00";
			}else if(val instanceof Float) {
				cell.setCellValue((Float) val);
				cellFormatString = "0.00";
			}else if(val instanceof Date) {
				cell.setCellValue((Date) val);
				cellFormatString = "yyyy-MM-dd HH:mm";

项目链接：
https://javayms.github.io?id=282023232309201fc
https://javayms.pages.dev?id=282023232309201fc