Java 如何包线
我有一个很长的字符串,比如“手机事件”,它们可以是任意长度的字符串,我想展示。。。。在说了一定的长度后,如何做到这一点?使用Apache公共库的类 范例-Java 如何包线,java,string,Java,String,我有一个很长的字符串,比如“手机事件”,它们可以是任意长度的字符串,我想展示。。。。在说了一定的长度后,如何做到这一点?使用Apache公共库的类 范例- String str = "This is a sentence that we're using to test the wrap method"; System.out.println("Original String 1:\n" + str); System.out.println("\nWrap length
String str = "This is a sentence that we're using to test the wrap method";
System.out.println("Original String 1:\n" + str);
System.out.println("\nWrap length of 10:\n" + WordUtils.wrap(str, 10));
System.out.println("\nWrap length of 20:\n" + WordUtils.wrap(str, 20));
System.out.println("\nWrap length of 30:\n" + WordUtils.wrap(str, 30));
使用Apache公共库的类 范例-
String str = "This is a sentence that we're using to test the wrap method";
System.out.println("Original String 1:\n" + str);
System.out.println("\nWrap length of 10:\n" + WordUtils.wrap(str, 10));
System.out.println("\nWrap length of 20:\n" + WordUtils.wrap(str, 20));
System.out.println("\nWrap length of 30:\n" + WordUtils.wrap(str, 30));
您只需查看长度,然后执行子字符串
或者,如果您可以使用Apache的公共Util,那么就使用它
我之前没有好好搜索,这正是你想要的
您只需查看长度,然后执行子字符串
或者,如果您可以使用Apache的公共Util,那么就使用它
我之前没有好好搜索,这正是你想要的你可以这样做-
String str = "The event for mobile is here";
String temp = "";
if(str !=null && str.length() > 10) {
temp = str.substring(0, 10) + "...."; // here 0 is start index and 10 is last index
} else {
temp = str;
}
System.out.println(temp);
输出将是-事件…您可以这样做-
String str = "The event for mobile is here";
String temp = "";
if(str !=null && str.length() > 10) {
temp = str.substring(0, 10) + "...."; // here 0 is start index and 10 is last index
} else {
temp = str;
}
System.out.println(temp);
输出为-event…如果需要完整的单词,请执行以下操作:
public static void shortenStringFullWords(String str, int maxLength) {
StringBuilder output = new StringBuilder();
String[] tokens = str.split(" ");
for (String token: tokens) {
if (output.length() + token.length <= maxLength - 3) {
output.append(token);
output.append(" ");
} else {
return output.toString().trim() + "...";
}
}
return output.toString().trim();
}
公共静态void shortenStringFullWords(String str,int maxLength){
StringBuilder输出=新的StringBuilder();
字符串[]标记=str.split(“”);
for(字符串标记:标记){
如果(output.length()+token.length需要完整单词,请执行以下操作:
public static void shortenStringFullWords(String str, int maxLength) {
StringBuilder output = new StringBuilder();
String[] tokens = str.split(" ");
for (String token: tokens) {
if (output.length() + token.length <= maxLength - 3) {
output.append(token);
output.append(" ");
} else {
return output.toString().trim() + "...";
}
}
return output.toString().trim();
}
公共静态void shortenStringFullWords(String str,int maxLength){
StringBuilder输出=新的StringBuilder();
字符串[]标记=str.split(“”);
for(字符串标记:标记){
如果(output.length()+token.length您可以这样做
String longString = "lorem ipusum ver long string";
String shortString = "";
int maxLength = 5;
if(longString != null && longString.length() > maxLength) {
shortString = longString.substring(0,maxLength - 1)+"...";
}
在这里,您可以将maxLength更改为所需的数字。您可以这样做
String longString = "lorem ipusum ver long string";
String shortString = "";
int maxLength = 5;
if(longString != null && longString.length() > maxLength) {
shortString = longString.substring(0,maxLength - 1)+"...";
}
String myString ="my lengthy string";
int startIndex=0, endIndex=myString.length(), lengthLimit = 10;
while(startIndex<endIndex) {
System.out.println(myString.substring(startIndex, startIndex+lengthLimit));
startIndex = startIndex+lengthLimit+1;
}
在这里,您可以将maxLength更改为所需的数字。String myString=“my long String”;
String myString ="my lengthy string";
int startIndex=0, endIndex=myString.length(), lengthLimit = 10;
while(startIndex<endIndex) {
System.out.println(myString.substring(startIndex, startIndex+lengthLimit));
startIndex = startIndex+lengthLimit+1;
}
int startIndex=0,endIndex=myString.length(),lengthLimit=10;
while(startIndexString myString=“我的长字符串”;
int startIndex=0,endIndex=myString.length(),lengthLimit=10;
while(startIndex)