iText库报错：PdfGlyphRenderer 未修补，无法使用字形渲染 - 解决方法

"n.s.j.engine.export.PdfGlyphRenderers.j.engine.export.PdfGlyphRenderer . Unpatched iText found, cannot use glyph rendering" \u662f\u7531\u4e8e\u4f7f\u7528\u4e86\u672a\u4fee\u590d\u7684iText\u5e93\u5b58\u5bfc\u81f4\u7684\u3002iText\u662f\u4e00\u4e2a\u7528\u4e8e\u5904\u7406PDF\u6587\u4ef6\u7684Java\u5e93\u5b58\uff0c\u800c\u62a5\u8b66\u4e2d\u7684PdfGlyphRenderer\u662fitext\u5e93\u5b58\u4e2d\u7684\u4e00\u4e2a\u7c7b\u3002\n\n\u8981\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u66f4\u65b0iText\u5e93\u5b58\u5230\u6700\u65b0\u7248\u672c\uff0c\u6216\u8005\u5e94\u7528\u5df2\u77e5\u7684\u4fee\u590d\u8865\u4e01\u3002\u4f60\u53ef\u4ee5\u5230iText\u5b98\u65b9\u7f51\u7ad9\u641c\u7d22\u6700\u65b0\u7248\u672c\u7684iText\u5e93\u5b58\uff0c\u5e76\u4e0b\u8f7d\u66f4\u65b0\u3002\n\n\u53e6\u5916\uff0c\u786e\u4fdd\u4f60\u7684\u9879\u76ee\u4e2d\u6ca1\u6709\u540c\u65f6\u5f15\u5165\u591a\u4e2a\u7248\u672c\u7684iText\u5e93\u5b58\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u51b2\u7a81\u548c\u62a5\u8b66\u3002\n\n\u5982\u679c\u4f60\u5df2\u7ecf\u4f7f\u7528\u4e86\u6700\u65b0\u7248\u672c\u7684iText\u5e93\u5b58\uff0c\u4f46\u662f\u4ecd\u7136\u9047\u5230\u8fd9\u4e2a\u62a5\u8b66\uff0c\u90a3\u53ef\u80fd\u662f\u56e0\u4e3a\u4f60\u4f7f\u7528\u7684\u5176\u4ed6\u5e93\u5b58\u4f9d\u8d56\u4e8e\u8001\u7248\u672c\u7684iText\u5e93\u5b58\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4f60\u9700\u8981\u627e\u5230\u4f7f\u7528\u4e86\u8001\u7248\u672ciText\u5e93\u5b58\u7684\u5e93\u5b58\uff0c\u5e76\u66f4\u65b0\u6216\u8005\u66ff\u6362\u5b83\u4eec\u3002\n\n\u6700\u540e\uff0c\u5982\u679c\u4ee5\u4e0a\u65b9\u6cd5\u90fd\u65e0\u6548\uff0c\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u8054\u7cfb\u8fd9\u4e2a\u5e93\u5b58\u7684\u5f00\u53d1\u8005\uff0c\u5411\u5b83\u4eec\u62a5\u544a\u8fd9\u4e2a\u95ee\u9898\uff0c\u5e76\u8bf7\u6c42\u5b83\u4eec\u63d0\u4f9b\u4fee\u590d\u6216\u8005\u89e3\u51b3\u65b9\u6848\u3002