1 String regex = "(\\$|\\#)\\{[^{}]*\\}";
2 List<WatcherTaskAgentFileMapping> watcherTaskAgentFileMappingList = agentFileQueryDao.queryWatcherAgentFileList(taskId);
3 Map<String, String> paramMap = new HashMap<>();
4 for (WatcherTaskAgentFileMapping watcherTaskAgentFileMapping : watcherTaskAgentFileMappingList) {
5 Integer count = 1;
6 String fileUrl = watcherTaskAgentFileMapping.getFileUrl();
7 Pattern p = Pattern.compile(regex);
8 Matcher matcher = p.matcher(fileUrl);
9 while (matcher.find()) {
10 String searchStr = fileUrl.substring(matcher.start(), matcher.end());
11 if (StringUtils.isEmpty(paramMap.get(searchStr))) {
12 paramMap.put(searchStr, "${参数" + count++ + "}");
13 }
14 }
15 }
16 if (!CollectionUtils.isEmpty(paramMap)) {
17 String regexAll = "(\\$|\\#)\\{[^{参数}]*\\}";
18 Pattern p = Pattern.compile(regexAll);
19 for (WatcherTaskAgentFileMapping watcherTaskAgentFileMapping : watcherTaskAgentFileMappingList) {
20 for (String paramKey : paramMap.keySet()) {
21 String fileUrl = watcherTaskAgentFileMapping.getFileUrl();
22 while (p.matcher(fileUrl).find()) {//因为string.replaceAll(a,b) a 参数，可以单独替换‘{’或者‘}’，如果是字符串{xxx},会报错，但是replace就不会
23 fileUrl = watcherTaskAgentFileMapping.getFileUrl().replace(paramKey, paramMap.get(paramKey));
24 }
25 watcherTaskAgentFileMapping.setFileUrl(fileUrl);
26 }
27 }
28 }
replaceAll 替换带有花括号的字符串会报错，单独替换前花括号或者后花括号不会报错；
replace 替换带有花括号的字符串不会报错
标签：index,string,matcher,报错,paramMap,watcherTaskAgentFileMapping,fileUrl,String From： https://www.cnblogs.com/yxl-wyb/p/16880477.html