博客

 /**
     * 定位打印的方法

     * @return
     */
    private fun logLocation(index: Int): StringBuilder? {
        val logStackTrace = getLogStackTrace(index)
        if (logStackTrace != null) {
            val stringBuilder = StringBuilder()
            stringBuilder.append(jumpKeyWord).append(" (").append(logStackTrace.fileName).append(":").append("${logStackTrace.lineNumber})")
            return stringBuilder
        } else return null
    }

    /**
     * 获取调用打印方法的栈 index 调用打印i/e/json的index为0

     * @return
     */
    private fun getLogStackTrace(index: Int): StackTraceElement? {
        var logTackTraces: StackTraceElement? = null
        val stackTraces = Thread.currentThread().stackTrace
        var i = 0
        while (i < stackTraces.size) {
            val stackTrace = stackTraces[i]
            if (stackTrace.className == LogUtil::class.java.name) {
                logTackTraces = stackTraces[i + 3 + index]
                i = stackTraces.size
            }
            i++
        }
        return logTackTraces
    }