创建汉字转化拼音引擎,每调用一次此函数，也必须与之调用一次SHDestoryEngine 否则会产生内存泄漏。此函数在启动汉字拼音转化之前必须第一个调用，用以创建 转化引擎-Pinyin conversion engine to create characters, each call to this function must be called with a SHDestoryEngine or will cause a memory leak. This function befo