文档里面有appId和packageValue 但是最新的sdk里面是没有这里两个字段的, 这两个字段在哪里 PayReq *request = [[[PayReq alloc] init] autorelease]; 2request.appId = "wxd930ea5d5a258f4f"; 3request.partnerId = "1900000109"; 4request.prepayId= "1101000000140415649af9fc314aa427",; 5request.packageValue = "Sign=WXPay"; 6request.nonceStr= "1101000000140429eb40476f8896f4c9"; 7request.timeStamp= "1398746574"; 8request.sign= "oR9d8PuhnIc+YZ8cBHFCwfgpaK9gd7vaRvkYD7rthRAZ\/X+QBhcCYL21N7cHCTUxbQ+EAt6Uy+lwSN22f5YZvI45MLko8Pfso0jm46v5hqcVwrk6uddkGuT+Cdvu4WBqDzaDjnNa5UK3GfE1Wfl2gHxIIY5lLdUgWFts17D4WuolLLkiFZV+JSHMvH7eaLdT9N5GBovBwu5yYKUR7skR8Fu+LozcSqQixnlEZUfyE55feLOQTUYzLmR9pNtPbPsu6WVhbNHMS3Ss2+AehHvz+n64GDmXxbX++IOBvm2olHu3PsOUGRwhudhVf7UcGcunXt8cqNjKNqZLhLw4jq\/xDg=="; 9[WXApi sendReq：request];