博客

1.问题

org.xhtmlrenderer.util.XRRuntimeException: Can’t load the XML resource (using TrAX transformer). org.xml.sax.SAXParseException; lineNumber: 84; columnNumber: 24; 对实体 “I” 的引用必须以 ‘;’ 分隔符结尾。

2.解决办法

原因是因为XML字符串内容"....店名 三十cafe&bar"里面包含了额外的“&”号，也需要转义

转义对照表：
https://bbs.huaweicloud.com/blogs/312362

编码实现：
 

 /**
     * 将字符串中的XML特殊字符转义
     * & -> &
     * < -> &lt;
     * > -> &gt;
     * " -> &quot;
     * ' -> &apos;
     * **/
    public static String covertXML(String content) {
        char[] originContentChars = content.toCharArray();
        int finalContentCharLength = 0;//转义后字符串长度
        for (char contentChar : originContentChars) {
            switch (contentChar) {
                case '&':
                    finalContentCharLength = finalContentCharLength + 5;
                    continue;
                case '"':
                case '\'':
                    finalContentCharLength = finalContentCharLength + 6;
                    continue;
                case '<':
                case '>':
                    finalContentCharLength = finalContentCharLength + 4;
                    continue;
                default:
                    finalContentCharLength = finalContentCharLength + 1;
            }
 
        }
        char[] newContentChars = new char[finalContentCharLength];
        int newContentCharsPos = 0;
        for (char originContentChar : originContentChars) {
            switch (originContentChar) {
                case '&':
                //& -> &amp;
                    newContentChars[newContentCharsPos] = '&';
                    newContentChars[newContentCharsPos + 1] = 'a';
                    newContentChars[newContentCharsPos + 2] = 'm';
                    newContentChars[newContentCharsPos + 3] = 'p';
                    newContentChars[newContentCharsPos + 4] = ';';
                    newContentCharsPos += 5;
                    continue;
                case '"':
                //" -> &quot;
                    newContentChars[newContentCharsPos] = '&';
                    newContentChars[newContentCharsPos + 1] = 'q';
                    newContentChars[newContentCharsPos + 2] = 'u';
                    newContentChars[newContentCharsPos + 3] = 'o';
                    newContentChars[newContentCharsPos + 4] = 't';
                    newContentChars[newContentCharsPos + 5] = ';';
                    newContentCharsPos += 6;
                    continue;
                case '\'':
                //' -> &apos;
                    newContentChars[newContentCharsPos] = '&';
                    newContentChars[newContentCharsPos + 1] = 'a';
                    newContentChars[newContentCharsPos + 2] = 'p';
                    newContentChars[newContentCharsPos + 3] = 'o';
                    newContentChars[newContentCharsPos + 4] = 's';
                    newContentChars[newContentCharsPos + 5] = ';';
                    newContentCharsPos += 6;
                    continue;
                case '<':
                //< -> &lt;
                    newContentChars[newContentCharsPos] = '&';
                    newContentChars[newContentCharsPos + 1] = 'l';
                    newContentChars[newContentCharsPos + 2] = 't';
                    newContentChars[newContentCharsPos + 3] = ';';
                    newContentCharsPos += 4;
                    continue;
                case '>':
                //> -> &gt;
                    newContentChars[newContentCharsPos] = '&';
                    newContentChars[newContentCharsPos + 1] = 'g';
                    newContentChars[newContentCharsPos + 2] = 't';
                    newContentChars[newContentCharsPos + 3] = ';';
                    newContentCharsPos += 4;
                    continue;
                default:
                    newContentChars[newContentCharsPos] = originContentChar;
                    newContentCharsPos++;
            }
        }
        return new String(newContentChars);
    }