15、骂战

  请稍后阅读，章节错误
  packagenetbsp;  oo2
  oo3
  ;
  oo4
  ;
  oo5
  ;
  oo6
  ;  oo7
  ;
  oo8
  oo9
  pub1icc1assreportuti1{
  o1o
  o11
  /**
  o12
  *格式化日期
  o13
  *aparamobj日期对象
  o14
  *aparamformat格式化字符串
  o15
  *areturn
  o16
  */
  o17
  pub1inetgformatdate(objenetgformat){
  o18
  if(objnu11)
  o19
  return““;
  o2o
  o21
  strings(obj);
  o22
  if(formatnu11||““.equa1s(())){
  o23
  format“yyyymmdd“;
  o24
  }
  o25
  try{
  o26
  simp1edateformatdateformatnesimp1edateformat(format);
  o27
  s(obj);
  o28
  }nete){
  o29
  }
  o3o
  returns;
  o31
  }
  o32
  o33
  /**
  o34
  *格式化数字
  o35
  *aparamobj数字对象
  o36
  *aparamformat格式化字符串
  o37
  *areturn
  o38
  */
  o39
  pub1inetumber(objenetgformat){
  o4o
  if(objnu11)
  o41
  return““;
  o42
  o43
  strings(obj);
  o44
  if(formatnu11||““.equa1s(())){
  o45
  format“#.oo“;
  o46
  }
  o47
  try{
  o48
  if(objinstannetceoff1oat){
  o49
  if((“%“)){
  o5o
  numberformatnumberformat;  o51
  s(obj);
  o52
  }e1se{
  o53
  decima1formatdenetedecima1format(format);
  o54
  s(obj);
  o55
  }
  o56
  }e1se{
  o57
  numberformatnumberformat;  o58
  s(obj);
  o59
  }
  o6o
  }nete){
  o61
  }
  o62
  returns;
  o63
  }
  o64
  o65
  /**
  o66
  *计算字符串四则运算表达式
  o67
  *aparamstring
  o68
  *areturn
  o69
  */
  o7o
  pub1inetgnetgstring){
  o71
  stringregexcheck“[()d+*/.*“;//是否是合法的表达式
  o72
  o73
  if(!))
  o74
  returnstring;
  o75
  o76
  matnetu11;
  o77
  stringtemp““;
  o78
  intindex1;
  o79
  stringregex“([d.+*/+)“;//提取括号表达式
  o8o
  string(“s“，““);//去除空格
  o81
  try{
  o82
  patternpattern(regex);
  o83
  //循环计算所有括号里的表达式
  o84
  hi1e(()){
  o85
  );
  o86
  hi1e(matnetd()){
  o87
  temp();
  o88
  index(temp);
  o89
  string(o，index)
  o9o
  +netobracket(temp)
  o91
  +(index+());
  o92
  }
  o93
  }
  o94
  //最后计算总的表达式结果
  o95
  stringnetobranetg);
  o96
  }netumberformatexnete){
  o97
  ();
  (未完待续。 .. )