flutter 一段代码优化抽离公共部分

本文主要是介绍flutter 一段代码优化抽离公共部分，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

优化前

 var params;if (isSetPwd == true) {if (accountType == "email") {params = {"key": key,"validateCode": validateCode,"type": type};}else{params = {"key": key,"zone": zone.replaceAll("+", ""),"validateCode": validateCode,"type": type};}} else {if (accountType == "email") {params = {"key": key,"password": password,"validateCode": validateCode,"type": type};}else{params = {"key": key,"password": password,"zone": zone.replaceAll("+", ""),"validateCode": validateCode,"type": type};}}

优化后

var params = {
“key”: key,
“validateCode”: validateCode,
“type”: type
};

if (accountType != “email”) {
params[“zone”] = zone.replaceAll(“+”, “”);
}

if (!isSetPwd) {
params[“password”] = password;
}

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