StringUtils中isNotBlank和isNotEmpty选择用哪个
2013-03-06 16:47
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String str=null;
if(StringUtils.isNotEmpty(str)){
System.out.println(str.length());
}//不输出;
String str="";
if(StringUtils.isNotEmpty(str)){
System.out.println(str.length());
}//不输出;
String str=" ";
if(StringUtils.isNotEmpty(str)){
System.out.println(str.length());
}//输出1
String str=null;
if(StringUtils.isNotBlank(str)){
System.out.println(str.length());
}//不输出
String str="";
if(StringUtils.isNotBlank(str)){
System.out.println(str.length());
}//不输出
String str=" ";
if(StringUtils.isNotBlank(str)){
System.out.println(str.length());
}//不输出
if(StringUtils.isNotEmpty(str)){
System.out.println(str.length());
}//不输出;
String str="";
if(StringUtils.isNotEmpty(str)){
System.out.println(str.length());
}//不输出;
String str=" ";
if(StringUtils.isNotEmpty(str)){
System.out.println(str.length());
}//输出1
String str=null;
if(StringUtils.isNotBlank(str)){
System.out.println(str.length());
}//不输出
String str="";
if(StringUtils.isNotBlank(str)){
System.out.println(str.length());
}//不输出
String str=" ";
if(StringUtils.isNotBlank(str)){
System.out.println(str.length());
}//不输出
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