调用

pragma solidity ^0.4.0;


import "./Test2.sol";
contract Test1{
     event setStringEvent(string str1,string str2, string str3, string str4);
     event getStringEvent(string str1,string str2, string str3,string str4);
     
     string a ;
     string b ;
    function getBalance() public{
         getStringEvent("获得数值是多少-----a",a,"----b---",b);
       
    }
    function setBalance( string aa,string bb)  public {
        setStringEvent("设置数值是多少-----a",a,"----b---",b);
        a = aa;
        b = bb;
    }
}

pragma solidity ^0.4.0;

contract Test1ABI{ 

    function getBalance()public {}
    
    function setBalance( string aa,string bb)public {}
   
}


contract Test2{ 
      address public signersAddr;
      
      
    function setit(string aa,string bb){
       Test1ABI(signersAddr).setBalance(aa,bb);
    }
}