转账的3种方式

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address.transfer()
address.send()
address.call.value().gas()()

转账transfer

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function transfer(address _address) public payable{

     _address.transfer(msg.value);

 }

  function transfer2(address _address) public payable{
     _address.transfer(10 * 10**18);

 }

转账send

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function transfer4(address _address) public payable {
       _address.send(10 ether);
 }

转账call

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function transfer5(address _address) public payable returns(bool){
    return  _address.call.value(10 ether)();
}

对比总结

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transfer与send相似，都为转账操作
transfer出错抛出异常
send、call出错不抛出异常，返回true或false
tansfer相对send更安全
send、call即便转账失败也会执行其后的代码
慎用call函数转账，容易发生重入***。

  • 本文链接： https://dreamerjonson.com/2018/11/20/solidity-25-thansfer2/

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