1. Java.perform(function () {
    2.     console.log("--------------start hooking--------------");
    3.     function showStack() {
    4.         var log = Java.use("android.util.Log");
    5.         var Throwable = Java.use("java.lang.Throwable");
    6.         console.log(log.getStackTraceString(Throwable.$new()))
    7.     }
    9.     var str = Java.use("java.lang.String");
    10.     str.getBytes.overload().implementation = function () {
    11.        // showStack();
    12.         var result = this.getBytes();
    13.         var newStr = str.$new(result);
    14.         console.log("str.getBytes result: ", newStr);
    15.         return result;
    16.     }
    17.     str.getBytes.overload('java.lang.String').implementation = function (a) {
    18.        // showStack();
    19.         var result = this.getBytes(a);
    20.         var newStr = str.$new(result, a);
    21.         console.log("str.getBytes result: ", newStr);
    22.         return result;
    23.     }
    25. })

    重载函数没有hook完整，后续补充；