[转]solr系统query检索词特殊字符的处理

hailai

https://svn.apache.org/repos/asf/lucene/dev/trunk/solr/solrj/src/java/org/apache/solr/client/solrj/util/ClientUtils.java　　

　　
public static String escapeQueryChars(String s) {
　　StringBuilder sb = new StringBuilder();
　　for (int i = 0; i < s.length(); i++) {
　　char c = s.charAt(i);
　　// These characters are part of the query syntax and must be escaped
　　if (c == '\\' || c == '+' || c == '-' || c == '!'  || c == '(' || c == ')' || c == ':'
　　|| c == '^' || c == '[' || c == ']' || c == '\"' || c == '{' || c == '}' || c == '~'
　　|| c == '*' || c == '?' || c == '|' || c == '&'  || c == ';' || c == '/'
　　|| Character.isWhitespace(c)) {
　　sb.append('\\');
　　}
　　sb.append(c);
　　}
　　return sb.toString();
　　}