clazz){
return PlatformCallbackPostProcessor.getCallbackObject(clazz);
}
/**
* 返回系统配置可变参数对象。
* @param key 参数 key
* @return
* @date 2022-11-29
*/
protected Variable getArgumentVariable(String key){
Variable v = this.getArgumentManager().getVariable(key);
if(v == null){
throw new IllegalArgumentException("可变配置参数不存在: " + key);
}
return v;
}
protected ArgumentsManager getArgumentManager(){
return BeanContextAware.getBeanByType(ArgumentsManager.class);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~ 新添加的方法，2022-11-16
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* 下载简单的文件，通常文件不大。
* @param data 文件字节码内容
* @param fileName 文件名称，如: demo.zip
* @throws IOException
* @date 2022-11-28
*/
protected void downloadSimpleFile(byte[] data, String fileName) throws IOException{
HttpServletResponse response = this.getResponse();
response.reset();
response.addHeader("Access-Control-Allow-Origin", "*");
response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
response.addHeader("Content-Length", "" + data.length);
response.setContentType("application/octet-stream; charset=UTF-8");
IOUtils.write(data, response.getOutputStream());
}
/**
* 从前端获得分页查询条件，写入线程参数中。
* @author 时克英
* @date 2022-11-16
* @date 2023-01-28 该方法废弃，由拦截器根据特征'/list'自动执行分页准备调用。
*/
@Deprecated
protected PageSearch preparePageSearch(){
PageSearch pageSearch = new PageSearch();
Integer pn = this.getIntParameter(PageSearch.PAGE_NUM);
if(pn != null){
pageSearch.setPageIndex(pn.intValue());
}
Integer pageSize = this.getIntParameter(PageSearch.PAGE_SIZE);
if(pageSize != null){
pageSearch.setPageSize(pageSize.intValue());
}
pageSearch.setOrderByColumn(this.getParameter(PageSearch.ORDER_BY_COLUMN));
pageSearch.setOrderAsc(this.getParameter(PageSearch.IS_ASC));
// pageSearch.setReasonable(this.getParameter(PageSearch));
ListPageContext.setPageSearch(pageSearch);
return pageSearch;
}
/**
* 把一个日期或时间字符串，转换成数值。
*
* 1.2022-11-16 --> 20221116000000
* 2.2022-11-16 12:01:30 --> 20221116120130
*
* @param dateTime 给定时间或日期字符串
* @param isTime 是否时间，否表示只有日期
* @return
*/
protected long getParamsDateTime(String dateTime, boolean isTime){
if(StringUtils.isEmpty(dateTime)){
return -1;
}
if(isTime){
return DateUtils.getDateTimeNumber(dateTime);
} else {
return DateUtils.toLongDateTime(dateTime);
}
}
/**
* 包装返回带分页的表格集合，加上total属性(适配前端)
* @param data
* @param total
* @return
* @param
* @date 2022-11-19
* @date 2023-05-16 从2.3.0之后废弃，因为使用了新的完整前端界面，返回的业务数据是一个整体，不再随意增加：ResponseValue属性。
*/
@Deprecated
protected ResponseValue> acquireTablePage(List data, long total){
ResponseValue> rv = ResponseValue.success(data);
rv.setTotal(total);
return rv;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~ end ~~~~~~~~~~~~~~~~~~~~~~
protected HttpServletRequest getRequest(){
// ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
// HttpServletRequest request = servletRequestAttributes.getRequest();
// return request;
return ServletUtils.getRequest();
}
protected HttpServletResponse getResponse(){
// return ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getResponse();
return ServletUtils.getResponse();
}
/**
* 得到WEB应用上下文路径，如：/web
* @return
*/
protected String getContextPath(){
if(contextPath == null){
synchronized (lock) {
HttpServletRequest request = getRequest();
if(request == null)
throw new Error("request not found: getRequest().");
contextPath = request.getContextPath();
}
}
return contextPath;
}
protected String getParameter(String name){
return getRequest().getParameter(name);
}
protected String getParameterUTF8(String name) throws UnsupportedEncodingException {
String value = this.getParameter(name);
return value == null ? null : URLDecoder.decode(value, "UTF-8");
}
protected String[] getParameterValues(String name) {
return this.getRequest().getParameterValues(name);
}
protected Integer getIntParameter(String name) {
String value = this.getParameter(name);
return value == null ? null : Integer.valueOf(value);
}
protected Long getLongParameter(String name) {
String value = this.getParameter(name);
return value == null ? null : Long.valueOf(value);
}
protected Float getFloatParameter(String name) {
String value = this.getParameter(name);
return value == null ? null : Float.valueOf(value);
}
protected Double getDoubleParameter(String name) {
String value = this.getParameter(name);
return value == null ? null : Double.valueOf(value);
}
/**
* @param name
* @return Attribute value
*/
protected Object getAttribute(String name) {
return this.getRequest().getAttribute(name);
}
/**
* @param name
* @param value
*/
protected void setAttribute(String name, Object value) {
this.getRequest().setAttribute(name, value);
}
protected void setDefaultContentType() {
this.getResponse().setContentType("text/html; charset=utf-8");
}
private void ajaxOutPut(ResponseFormat format, Object outputString) throws IOException {
HttpServletResponse response = this.getResponse();
response.setCharacterEncoding(StringUtils.DEFAULT_CHARSET_UTF8);
response.setContentType(format.getValue());
this.print(response, outputString == null ? StringUtils.EMPTY_STRING : outputString.toString());
}
protected void print(HttpServletResponse response, String str) throws IOException {
// ServletOutputStream outputStream = this.getResponse().getOutputStream();
PrintWriter pw = response.getWriter();
pw.print(str);
}
protected void ajaxOutPutText(Object outputString) throws IOException {
this.ajaxOutPut(ResponseFormat.TextPlain, outputString);
}
protected void ajaxOutPutJson(Object outputString) throws IOException {
this.ajaxOutPut(ResponseFormat.ApplicationJson, outputString);
}
protected void ajaxOutPutXml(Object outputString) throws IOException {
this.ajaxOutPut(ResponseFormat.TextXml, outputString);
}
protected void ajaxOutPutHtml(Object outputString) throws IOException {
setDefaultContentType();
this.print(this.getResponse(), outputString == null ? StringUtils.EMPTY_STRING : outputString.toString());
}
protected void ajaxOutputFileStream(String contentType, String filePath){
ajaxOutputFileStream(contentType, new File(filePath));
}
protected void ajaxOutputFileStream(String contentType, File file){
HttpServletResponse response = this.getResponse();
response.setCharacterEncoding(StringUtils.DEFAULT_CHARSET_UTF8);
response.setContentType(contentType);
byte[] content = FileUtils.getFileBytes(file);
if(content == null) return;
OutputStream out = null;
try {
out = response.getOutputStream();
out.write(content);
out.flush();
} catch (IOException e) {
throw new ApplicationRuntimeException("输出服务器文件流出现异常!", e);
} finally {
if(out != null){
try {
out.close();
} catch (IOException e) {}
}
}
}
public enum ResponseFormat{
ApplicationJson{
public String getValue(){
return Constants.APPLICATION_JSON;
}
},
ApplicationXml{
public String getValue(){
return Constants.APPLICATION_XML;
}
},
TextXml{
public String getValue(){
return Constants.TEXT_XML;
}
},
TextPlain{
public String getValue(){
return Constants.TEXT_PLAIN;
}
};
// ImagePng{
// public String getValue(){
// return Constants.IMAGE_PNG;
// }
// },
// ImageJpeg{
// public String getValue(){
// return Constants.IMAGE_JPEG;
// }
// },
// ImageGif{
// public String getValue(){
// return Constants.IMAGE_GIF;
// }
// };
public String getValue(){
throw new AbstractMethodError();
}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//~ 为老的freemarker界面预留的方法，2022-11-08
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* 前端页面调用的JS方面名称
*/
protected static final String DEFAULT_JS_NAME = "reload";
/**
* 前端使用的分页对象引用名称，默认值
*/
protected static final String DEFAULT_PAGER_VIEW_NAME = "pagerView";
}