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在JavaScript程序中整合Java函数(下)发表日期：2008-1-5
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private String prepareString(String s) { if(s == null) return null; if(s.length() ＜ 2) return s; if(s.charAt(0) == '"' && s.charAt(s.length() - 1) == '"') file://假如字符串s以"开头，又以"结尾，则把两头的"去掉 return s.substring(1, s.length() - 1); if(s.startsWith("'") && s.endsWith("'"))//假如字符串s以'开头，又以'结尾，则把两头的"去掉 return s.substring(1, s.length() - 1); else return s; } private boolean processLine1(String s, String s1, String s2, String s3) { file://创建一个Object类的实例 Object obj[] = { null, null }; Class class1; if((class1 = (Class)cls.get(s1)) == null) try { class1 = Class.forName(s1);//返回具有s1指定的类名的类的Class描述符 cls.put(s1, class1); file://放回哈西表 } catch(Exception _ex) { System.out.println("不能装载类 " + s1); return false; } obj[0] = class1; if(s2.length() == 0) { try { obj[1] = class1.newInstance();// 创建类的新实例 } catch(NoSUChMethodError _ex) { System.out.println("不能创建对象的实例 " + s3); return false; } catch(Exception _ex) { System.out.println("不能创建对象的实例 " + s3); return false; } inst.put(s, ((Object) (obj))); } else { Object obj1[] = getParamArray(s2, 0); file://取得参数列表 if(obj1 == null) { System.out.println("不能处理这行参数： " + s3); return false; } try { Constructor cons = class1.getConstructor((Class[])obj1[0]);//使用参数列表构建类构建器 if(class1 == null) { System.out.println("不能创建对象的实例 " + s3); return false; } obj[1] = cons.newInstance((Object[])obj1[1]); inst.put(s, ((Object) (obj))); } catch(Exception _ex) { System.out.println("不能创建对象的实例 " + s3); return false; } } return true; } private Object[] getParamArray(String s, int i) file://取得s中所包含的参数列表，存入一个Object数组中 { String s1 = s.trim(); file://去除末尾的空格 String s6 = ","; Vector vector = new Vector(); if(s1.length() ＞ 0) { if(s1.charAt(0) == '(')//去掉（ s1 = s1.substring(1); if(s1.endsWith(")"))//去掉） s1 = s1.substring(0, s1.length() - 1); String s2 = s1.trim(); file://去掉字符串后的空格 if(s2.length() == 0 && i == 0) file://假如s2长度为零，说明没有参数 return null; String s4; if(s2.length() ＞ 0) { if(s2.charAt(0) == '"')//假如s2以"开头，则用\"代替 s6 = "\""; else if(s2.charAt(0) == '\'')//假如s2以\'开头，则用'代替 s6 = "'"; else s6 = ","; s4 = s2.substring(0, 1); file://取得s2的第一个字符 s2 = s2.substring(1);//取得s2的第二个字符往后的字符 } else { s4 = ""; } for(; s2.length() ＞ 0; s2 = s2.substring(1))//这些语句是为了把参数表中的参数分离出来 { String s5 = s2.substring(0, 1);//取得s2的第一个字符 if(s5.equals(s6)) file://假如s5和s6相等，即判定s5是否为两个参数的分隔符 { if(s6.equals("\"") s6.equals("'"))//假如s6为\"或'，则 s4 = s4 + s6; vector.addElement(s4); file://把s4（即一个参数值）加入vector中 s2 = s2.substring(1).trim(); s4 = ""; if(s2.length() == 0) break; s4 = s2.substring(0, 1); if(s4.charAt(0) == ',') file://假如s4以","开头，则判定s4是否以分隔符开头 { s2 = s2.substring(1).trim(); s4 = ""; if(s2.length() == 0) break; s4 = s2.substring(0, 1); } if(s4.charAt(0) == '"') s6 = "\""; else if(s4.charAt(0) == '\'') s6 = "'"; else s6 = ","; } else { s4 = s4 + s5; } } if(s4.length() ＞ 0) vector.addElement(s4); } int j = vector.size(); file://取得向量变量vector的大小，vector中保存的都是参数值 if(j == 0 && i == 0) return null; file://没有参数 Object aobj[] = new Object[3]; Class class1[] = new Class[j + i]; Object aobj1[] = new Object[j + i]; aobj[0] = class1; aobj[1] = ((Object) (aobj1)); aobj[2] = new Integer(j + i); for(int k = i; k ＜ j + i; k++) { String s3 = (String)vector.elementAt(k - i); try file://以下的代码是为了判定，每个参数到底是什么数据类型 { file://判定是否为整型 Integer integer = Integer.valueOf(s3); class1[k] = Integer.TYPE; aobj1[k] = integer; } catch(Exception _ex) { try { file://判定是否为浮点型 Float float1 = Float.valueOf(s3); class1[k] = Float.TYPE; aobj1[k] = float1; } catch(Exception _ex2) { file://判定是否为布尔类型 s3 = prepareString(s3); if(s3.equals("true")) file://判定是否为真 { class1[k] = Boolean.TYPE; aobj1[k] = new Boolean(true); } else if(s3.equals("false")) file://判定是否为假 { class1[k] = Boolean.TYPE; aobj1[k] = new Boolean(false); } else { class1[k] = class$Java$lang$String == null ? (class$java$lang$String = class$("java.lang.String")) : class$java$lang$String; aobj1[k] = s3; } } } } vector = null; return aobj; } public void doPost(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse) throws ServletException, IOException { doGet(httpservletrequest, httpservletresponse); } public void doGet(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse) throws ServletException, IOException { String s = ""; String s1 = ""; s = HttpUtils.getRequestURL(httpservletrequest).toString(); file://返回一个字符串，包含请求字符串中包含的协议名，主机名，端口号以及路径，但是不包含请求的内容 int i; if((i = s.indexOf("?")) ＞ 0)//去掉s结尾的问号 s = s.substring(0, i); s1 = httpservletrequest.getQueryString();//取的请求字符串的请求内容 if(s1 == null) { parseFile(s1, httpservletrequest, httpservletresponse); return; } if(s1.equals(admin)) file://假如请求串等于admin { adminPage(httpservletrequest, httpservletresponse, s); file://进入治理员界面 return; } if(s1.equals("namiotde")) file://假如请求串为namiotde，则执行相应的执行命令 { executeRequest(httpservletrequest, httpservletresponse); return; } String s2 = getFromQuery(s1, "what="); file://取的动作的属性值 if(s2.equals("hframe")) { getHiddenFrame(httpservletrequest, httpservletresponse);//转到隐藏帧 return; } if(s2.equals("mframe")) { getMainFrame(s1, httpservletrequest, httpservletresponse); file://转到主帧 return; } else { parseFile(s1, httpservletrequest, httpservletresponse); return; } } file://治理员界面，执行添加删除对象的操作 private void adminPage(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse, String s) throws IOException { PrintWriter printwriter = httpservletresponse.getWriter(); String s1 = ""; String s4 = httpservletrequest.getParameter("what"); file://返回请求串中what，即动作的属性值 if(s4 != null) if(s4.equals("delete")) file://假如what的值为delete，则执行相应的操作 { for(Enumeration enumeration = httpservletr |
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