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作者:xiaoyou 出处: www.csdn.com <%! stc_RSYB_Name stcRSYName1[]; stc_SYB_INF stcSYBINF1[]; %> <%/* String p = (String) session.getValue("access"); if (p==null || !p.equals("1")) { response.sendRedirect("error.htm"); return; }*/ %> <%! file://得到机器名字或IP String get_Myhostname(javax.servlet.http.HttpServletRequest request){ String myhostname = null; try{ myhostname = request.getRemoteHost(); myhostname = myhostname.toUpperCase(); }catch(Exception e){} return myhostname; } file://处理空字符串 String dealNull(String str) { String returnstr = null; if (str == null) returnstr = ""; else returnstr = str; return returnstr; } file://处理空对象 Object dealNull(Object obj){ Object returnstr = null; if (obj == null) returnstr = (Object)(""); else returnstr = obj; return returnstr; } int dealEmpty(String s) { s = dealNull(s); if (s.equals("")) return 0; return Integer.parseInt(s); } String replace(String str,String substr,String restr){ String[] tmp = split(str,substr); String returnstr = null; if(tmp.length!=0) { returnstr = tmp[0]; for(int i = 0 ; i < tmp.length - 1 ; i++) returnstr =dealNull(returnstr) + restr +tmp[i+1]; } return dealNull(returnstr); } String htmlEncode(String txt){ txt = replace(txt,"&","&"); txt = replace(txt,"&","&"); txt = replace(txt,""","""); txt = replace(txt,"/"","""); txt = replace(txt,"<","<"); txt = replace(txt,"<","<"); txt = replace(txt,">",">"); txt = replace(txt,">",">"); txt = replace(txt," "," "); txt = replace(txt," "," "); return txt; } String unHtmlEncode(String txt){ txt = replace(txt,"&","&"); txt = replace(txt,""","/""); txt = replace(txt,"<","<"); txt = replace(txt,">",">"); txt = replace(txt," "," "); return txt; } file://ALERT Function void sAlert(String title,String msg,String focus, JspWriter out){ try { out.println("<script language=\\\'javascript\\\'>"); out.println("alert(/"" + title + "/" + /"//r//n/" + /"" + replace(replace(msg,"\\\'\\\'","\\\'"),"/"","///"") +"/");"); out.println(focus); out.println("</script>"); } catch(Exception e) { System.out.println(e);} } file://CONFIRM Function void sConfirm(String title,String msg ,String location,JspWriter out){ try{ out.println("<script language=\\\'javascript\\\'>"); out.println("if(confirm(/"" + title + "/" + /"//r//n/" + /"" + replace(msg,"/"","///"") + "/")){" ); out.println("var d = (new Date()).toString();"); out.println(location + "+ d;"); out.println("}"); out.println("parent.document.form1.text1.select();"); out.println("</script>"); } catch (Exception e) { } } file://得到字符串长度 int getStringLength(String s) { int p = 0; try { int iLength = 0; int irealLength = 0; int j = 0; p = s.getBytes("Shift_JIS").length; } catch(java.io.UnsupportedEncodingException e) {} return p; } void formatString(String s,int b,JspWriter out){ b--; String t = ""; try { int leng = getStringLength(s); int j = 0; if (leng > b) { for (int i = 1; i <= b ; i++) { t = s.substring(0,i); if (t.getBytes("Shift_JIS").length <= b ) { j++; } else break; } file://j = j+1; file://System.out.println("b=" + b + "----" + "j=" + j); for(int i = 0;i < j; i++){ if(s.substring(i,i+1).equals(" ")) out.print(" "); if(!s.substring(i,i+1).equals(" ")) out.print(htmlEncode(s.substring(i,i+1))); } if (s.substring(0,j).getBytes("Shift_JIS").length == b){ out.print("|"); }else{ out.print(" |"); } } else { for (int i = 0; i < b - leng ; i++) t = t + " "; for (int i = 0; i < s.length(); i++){ if(s.substring(i,i+1).equals(" ")) out.print(" "); if(!s.substring(i,i+1).equals(" ")) out.print(htmlEncode(s.substring(i,i+1))); } out.print(htmlEncode(t + "|")); } } catch(Exception e){System.out.println("----" + e);} } file://判定是否为数字 boolean isNumeric(String number) { try { Integer.parseInt(number); return true; } catch(NumberFormatException sqo) { return false; } } file://判定是否为日期 String mk_date(String c_date,int c_mode) { String wk_buf= ""; String ToDay = ""; try { ToDay = Integer.toString(java.util.Calendar.getInstance().get(java.util.Calendar.YEAR)); switch(c_mode) { case 0: { wk_buf = c_date.substring(2, 4) + "/" + c_date.substring(4, 6); if (c_date.length() == 8) { wk_buf = wk_buf + "/" + c_date.substring(6, 8); } break; } case 1: { for (int i=0; i<c_date.length();i++) { if (c_date.substring(i, i+1) == " ") { wk_buf = wk_buf + "0"; } else { wk_buf = wk_buf + c_date.substring(i, i+1); } } c_date = wk_buf; wk_buf = ""; if (c_date.substring(0, 1) != "0" ) { wk_buf = "19"; } else { wk_buf = "20"; } wk_buf = wk_buf + c_date.substring(0, 2) + c_date.substring(3, 5); if (c_date.length() == 8) { wk_buf = wk_buf + c_date.substring(6, 8); } break; } case 2: { wk_buf = c_date.substring(0, 4) + c_date.substring(5, 7) + c_date.substring(8, 10); break; } case 3: { for(int i=0; i<c_date.length();i++ ) { if (c_date.substring(i, i+1) == " ") { wk_buf = wk_buf + "0"; } else { wk_buf = wk_buf + c_date.substring(i, i+1); } } c_date = wk_buf; wk_buf = ""; if (Integer.parseInt(c_date.substring(0,2)) > Integer.parseInt(ToDay.substring(2, 4))) { wk_buf = Integer.toString(Integer.parseInt(ToDay.substring(0,2)) - 1); } else { wk_buf = ToDay.substring(0,2); } wk_buf = wk_buf + c_date.substring(0,2) + c_date.substring(3,5); if (c_date.length() == 8) { wk_buf = wk_buf + c_date.substring(6,8); } break; } case 4: { wk_buf = c_date.substring(0,4) + "/" + c_date.substring(4,6) + "/" + c_date.substring(6, 8); break; } case 5: { wk_buf = c_date.substring(0,4) + c_date.substring(5, 7); break; } } } catch(Exception e) { System.out.println("wrong : " + e); } return wk_buf; } 返回类别: 教程 上一教程: Java套接字编程(上)(3) 下一教程: Java-输入基本类 您可以阅读与"一些异常有用的JAVA常用方式(1)"相关的教程: · 一些异常有用的JAVA常用方式( 2) · ibm developer的一些对我有用的网址 · java常用的加密,解密,数字签名等API · JAVA中非常使用范围的一些思索 · 谈谈JAVA中的调用方法 |
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