1，系统的演示

2，系统的核心代码

public class BaseController {public static final Long EXPIRES_IN = 1000 * 3600 * 24 * 1L;// 1天/*** 小孟开发，微交流：kaifazixun*/public String getHostUrl(HttpServletRequest request) {String hostName = request.getServerName();Integer hostPort = request.getServerPort();String path = request.getContextPath();if (hostPort == 80) {return "http://" + hostName + path + "/";} else {return "http://" + hostName + ":" + hostPort + path + "/";}}/**** 获取当前的website路径 String*/public static String getWebSite(HttpServletRequest request) {String returnUrl = request.getScheme() + "://"+ request.getServerName();if (request.getServerPort() != 80) {returnUrl += ":" + request.getServerPort();}returnUrl += request.getContextPath();return returnUrl;}/*** 初始化HTTP头.* * @return HttpHeaders*/public HttpHeaders initHttpHeaders() {HttpHeaders headers = new HttpHeaders();MediaType mediaType = new MediaType("text", "html",Charset.forName("utf-8"));headers.setContentType(mediaType);return headers;}/*** 返回 信息数据* * @param status* @param msg* @return*/public ResponseEntity<String> renderMsg(Boolean status, String msg) {if (StringUtils.isEmpty(msg)) {msg = "";}String str = "{\"status\":\"" + status + "\",\"msg\":\"" + msg + "\"}";ResponseEntity<String> responseEntity = new ResponseEntity<String>(str,initHttpHeaders(), HttpStatus.OK);return responseEntity;}/*** 返回obj数据* * @param status* @param msg* @param obj* @return*/public ResponseEntity<String> renderData(Boolean status, String msg,Object obj) {if (StringUtils.isEmpty(msg)) {msg = "";}StringBuffer sb = new StringBuffer();sb.append("{");sb.append("\"status\":\"" + status + "\",\"msg\":\"" + msg + "\",");sb.append("\"data\":" + JacksonJsonUtil.toJson(obj) + "");sb.append("}");ResponseEntity<String> responseEntity = new ResponseEntity<String>(sb.toString(), initHttpHeaders(), HttpStatus.OK);return responseEntity;}/**** 获取IP（如果是多级代理，则得到的是一串IP值）*/public static 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();}if (ip != null && ip.length() > 0) {String[] ips = ip.split(",");for (int i = 0; i < ips.length; i++) {if (!"unknown".equalsIgnoreCase(ips[i])) {ip = ips[i];break;}}}return ip;}


public class MyController extends BaseController {/***
小孟开发，微交流：kaifazixun
*/@Autowiredpublic DBHelper db;public Map getAdmin(HttpServletRequest request){Map customerBean = (Map)request.getSession().getAttribute("adminBean");return customerBean;}public Map getPtadmin(HttpServletRequest request){Map bean = (Map)request.getSession().getAttribute("ptadminBean");return bean;}public Map getStudent(HttpServletRequest request){Map bean = (Map)request.getSession().getAttribute("studentBean");return bean;}public ResponseEntity<String> renderMsg(Boolean status, String msg) {if (StringUtils.isEmpty(msg)) {msg = "";}StringBuffer sb = new StringBuffer();sb.append("{");sb.append("\"status\":\"" + status + "\",\"msg\":\"" + msg + "\"");sb.append("}");ResponseEntity<String> responseEntity = new ResponseEntity<String>(sb.toString(), initHttpHeaders(), HttpStatus.OK);return responseEntity;}public void writeToExcel(HSSFWorkbook wb, String fileName,HttpServletResponse response)throws IOException {fileName = (fileName == null || fileName.equals("")) ? "result": fileName;fileName = java.net.URLEncoder.encode(fileName, "UTF-8").replace('+',' ');response.reset();response.setContentType("application/vnd.ms-excel");response.setHeader("Content-Disposition", "attachment;filename="+ fileName + ".xls");wb.write(response.getOutputStream());response.getOutputStream().flush();response.getOutputStream().close();}public ResponseEntity<String> renderData(Boolean status, String msg,Object obj) {if (StringUtils.isEmpty(msg)) {msg = "";}StringBuffer sb = new StringBuffer();sb.append("{");sb.append("\"status\":\"" + status + "\",\"msg\":\"" + msg + "\",");sb.append("\"data\":" + JacksonJsonUtil.toJson(obj) + "");sb.append("}");ResponseEntity<String> responseEntity = new ResponseEntity<String>(sb.toString(), initHttpHeaders(), HttpStatus.OK);return responseEntity;}public ResponseEntity<String> renderDataEasyUi(HttpServletRequest request,Object obj) {StringBuffer sb = new StringBuffer();PageTool page = (PageTool)request.getAttribute("page");sb.append("{");sb.append("\"total\":\"" + page.getSize() + "\",");sb.append("\"rows\":" + JacksonJsonUtil.toJson(obj) + "");sb.append("}");ResponseEntity<String> responseEntity = new ResponseEntity<String>(sb.toString(), initHttpHeaders(), HttpStatus.OK);return responseEntity;}public ResponseEntity<String> renderComboBoxAjax(Object obj) {ResponseEntity<String> responseEntity = new ResponseEntity<String>(JacksonJsonUtil.toJson(obj), initHttpHeaders(), HttpStatus.OK);return responseEntity;}
}

3，系统源码获取

还是那句话，仅限制学习使用！

若发现偷盗者，以后我开源的就少了！而且会追究你的责任！

最后希望大家给个三连吧！开源不容易！

如果也想学习本系统，已经开源了，下面领取。回复：健康

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我真想和偷卖源码的人打一架

文章目录

1，系统的演示

2，系统的核心代码

3，系统源码获取

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