昨晚InfoQ和腾讯云共同搞了一个【长安链一键上链分享会】的活动，然后宣布免费公测体验。我立即尝试了一下，整个试用体验很棒，尤其在可视化上链这一块，只要会写合约，开发应用就分分钟的事情了。
Last night, InfoQ and Tung Xyun worked together on an event xff0c; then announced a free public survey. I immediately tried xff0c; the whole trial experience was great xff0c; especially this xff0c in the visual chain; as long as I wrote the contract xff0c; and the application was developed in minutes.
● TBaaS长安链体验网络公测入口：TBaas官网，选择免费体验长安链
操作步骤官网都有文档，可以直接看，我就不多说了。
长安链上链文档
公测群里很多同学因为合约开发和编译不熟悉，导致无法体验。接下来我说下如何绕过这个问题。
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合约如何开发和编译
腾讯云TBaaS长安链合约支持 DockerGo、Solidity、Rust、C++ 四种语言。不同的合约上传的合约文件类型不同。
因为合约开发和编译需要搭建环境，这是一件很麻烦的适应，所以官方文档建议使用Docker。
合约编译方法可参考开发指南 智能合约开发（DockerGo） 或 智能合约开发（Solidity） 或 智能合约开发（Rust） 或 智能合约开发（C++）。
官方提供的开发指南很详细，注意事项也写的很到位。不过对于只是想体验一下功能的新手，从安装Docker再到编译，这就有点耗时间了。我在长安链官网找到几个编译好的合约文件，大家可以直接使用
Solidity Token合约
【zip中包含的是 1)上链的合约文件：token.bin 2)客户端使用的接口文件：token.abi，请自行解压。】
可以直接上传token.bin和token.abi,然后按照下图填写参数，就可以成功创建合约
because contract development and compilation requires setting the environment xff0c; this is a difficult adaptation xff0c; therefore the official document is proposed to use Docker.
contract compilation methods can be consulted in the development guide ;
注意：合约调用参数一定要按照图中示例，不然后面上链时会报错。当然，如果你是个区块链老手，自己会阅读代码，可以不用考虑我说的内容。
然后按照下图参数进行上链即可
xff1a; contract call parameters must follow the example in the graph xff0c; otherwise the chain will be misdirected. Of course xff0c; if you're an old block-chainer xff0c; you can read the code xff0c; you don't have to take into account what I say.
and then you can insert the image description here
腾讯云长安链可以大大提高区块链开发效率，未来只要自己对接上API，然后自己开发合约，开发前端应用界面，就可以快速的构建成熟的区块链应用，比如最近很活的NFT数字资产铸币。
小伙伴们还等什么，体验起来吧。
The network of experiences provided by this tether cloud has four organizational nodes xff0c; the node configuration is high xff0c; all are 16 nuclear 32 with 1,000 G diskettes xff0c; and there is a good block-chain browser function xff0c; there is a high block chain height and transactional pens xff0c; click to see details of each transaction. This function I think is superb. 广告时间：需要区块链应用开发的，可以私信我。 Advertisement time xff1a; xff0c, which requires block chain application development; can trust me personally.
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