用overload("int")

import frida, sys

jscode = """
Java.perform(function () {
    var utils = Java.use('com.xiaojianbang.app.Utils');
    utils.getCalc.implementation = function (a, b) {
        console.log("Hook Start...");
        send(arguments[0]);
        send(b);
        send("Success!");
        var num = this._getCalc(100, 200, 300);
        send(num);
        return num;
    }

    var money = Java.use('com.xiaojianbang.app.Money');
    money.$init.implementation = function (a, b) {
        console.log("Hook Start...");
        send(arguments[0]);
        send(b);
        send("Success!");
        return this.$init(10000, "美元");
    }

    utils.test.overload("int").implementation = function (a) {
        console.log("Hook Start...");
        send(arguments[0]);
        send("有参数!");
        return "有参数";
    }
    utils.test.overload().implementation = function (a) {
    console.log("Hook Start...");
    send(arguments[0]);
    send("没有参数!");
    return "没有参数";
    }

});
"""

def message(message, data):
    if message["type"] == 'send':
        print("[*] {0}".format(message['payload']))
    else:
        print(message)

process = frida.get_remote_device().attach('com.xiaojianbang.app')
script= process.create_script(jscode)
script.on("message", message)
script.load()
sys.stdin.read()

frida Hook 重载方法
frida Hook 重载方法