Java实现文本中的关键字高亮,匹配所有长度
这个方法还不完整，后面想起来再看，直接放代码.
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public
static
String
getHeightlightWord
(String textWord, String key)
{
StringBuffer
sb
=
new
StringBuffer
(
""
);
String
tempWord
=
textWord ==
null
?
""
: textWord.trim();
String
tempKey
=
key ==
null
?
""
: key.trim();
if
(
""
.equals(tempWord) ||
""
.equals(tempKey)){
return
tempWord;
}
else
{
sb.append(tempWord);
}
String
upperWord
=
tempWord.toUpperCase();
String
upperKey
=
tempKey.toUpperCase();
if
(!upperWord.contains(upperKey)){
return
tempWord;
}
else
{
int
keyLen
=
upperKey.length();
int
thisMathIndex
=
;
List<Map<Integer, String>> matchList =
new
ArrayList
<Map<Integer, String>>();
while
((thisMathIndex = upperWord.indexOf(upperKey, thisMathIndex)) != -
){
Map<Integer, String> map =
new
HashMap
<Integer, String>();
map.put(thisMathIndex, tempWord.substring(thisMathIndex, thisMathIndex + keyLen));
matchList.add(map);
thisMathIndex += keyLen;
}
int
thisKey
=
;
int
keys
=
;
for
(Map<Integer, String> map : matchList){
thisKey = getKey(map);
keys += thisKey;
sb.replace(thisKey, thisKey + keyLen,
"<span style='background-color: yellow;'>"
+map.get(thisKey)+
"</span>"
);
keys +=
"<span style='background-color: yellow;'></span>"
.length();
}
}
return
sb.toString();
}
private
static
int
getKey
(Map<Integer, String> obj)
{
Set<Integer> keySet = obj.keySet();
int
firstKey
=
-
;
for
(
int
key : keySet){
firstKey = key;
if
(firstKey != -
){
break
;
}
}
return
firstKey;
}
以上代码可实现一次高亮，余下的问题就在于如何多次改变字符串的长度后能定位到需要更改的字符串（即多次高亮），打个卡先，有空再弄
Java实现文本中的关键字高亮,匹配所有长度
https://zhouyinglin.top/2022/08/06/Java实现文本中的关键字高亮,匹配所有长度/