\n
$ mkdir mydapp
$ cd mydapp
<\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u7136\u540e\u4f7f\u7528
\n truffle init<\/b>\u521d\u59cb\u5316\u9879\u76ee\uff0c\u5c06\u751f\u6210\u9879\u76ee\u6a21\u677f\u6587\u4ef6\uff1a\n <\/div>\n\n$ truffle init<\/code><\/pre>\n<\/p><\/div>\n\n \u6211\u4eec\u53ef\u4ee5\u67e5\u770b\u4e00\u4e0b\u751f\u6210\u7684\u9879\u76ee\u76ee\u5f55\uff1a\n <\/div>\n\nG:\\qikegu\\ethereum\\mydapp>tree \/f\r\n\u5377 \u6570\u636e \u7684\u6587\u4ef6\u5939 PATH \u5217\u8868\r\n\u5377\u5e8f\u5217\u53f7\u4e3a 0C52-9CF4\r\nG:.\r\n\u2502 truffle-config.js\r\n\u2502\r\n\u251c\u2500contracts\r\n\u2502 Migrations.sol\r\n\u2502\r\n\u251c\u2500migrations\r\n\u2502 1_initial_migration.js\r\n\u2502\r\n\u2514\u2500test<\/pre>\n<\/code>\n <\/div>\n
contracts \u76ee\u5f55 \u667a\u80fd\u5408\u7ea6\u6e90\u6587\u4ef6\u76ee\u5f55\uff0c\u73b0\u5728\u5df2\u7ecf\u6709\u4e86\u4e00\u4e2aMigrations.sol<\/b>\u6e90\u6587\u4ef6\uff0c\u529f\u80fd\u662f\u8fc1\u79fb\/\u90e8\u7f72\/\u5347\u7ea7\u667a\u80fd\u5408\u7ea6\u3002<\/span>
\n migrations \u76ee\u5f55 \u8fc1\u79fb\u6587\u4ef6\u76ee\u5f55\uff0c\u8fc1\u79fb\u6587\u4ef6\u90fd\u662fjavascript\u811a\u672c\uff0c\u5e2e\u52a9\u6211\u4eec\u628a\u667a\u80fd\u5408\u7ea6\u90e8\u7f72\u5230\u4ee5\u592a\u574a\u3002<\/span>
\n test \u76ee\u5f55 \u6d4b\u8bd5\u4ee3\u7801\u76ee\u5f55\u3002<\/span>
\n truffle-config.js \u6587\u4ef6 Truffle\u9879\u76ee\u914d\u7f6e\u6587\u4ef6\uff0c\u4f8b\u5982\u53ef\u4ee5\u5728\u91cc\u9762\u914d\u7f6e\u7f51\u7edc\u3002<\/span> <\/p>\n\u6dfb\u52a0package.json\u6587\u4ef6<\/h3>\n\n package.json<\/b>\u662fnpm\u7528\u6765\u7ba1\u7406\u5305\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u6b64\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a\n <\/div>\n\n {
\"name\"<\/span>: \"ethereum-demo\"<\/span>,
\"version\"<\/span>: \"1.0.0\"<\/span>,
\"description\"<\/span>: \"\u4ee5\u592a\u574ademo\"<\/span>,
\"main\"<\/span>: \"truffle-config.js\"<\/span>,
\"directories\"<\/span>: {
\"test\"<\/span><\/span><\/span>: \"test\"
},
\"scripts\"<\/span>: {
\"dev\"<\/span>: \"lite-server\"<\/span><\/span>,
\"test\": \"echo \\\"<\/span>Error: no test specified\\\" && sexit 1\"<\/span>
},
\"author\"<\/span>: \"kevinhwu@qikegu.com\"<\/span>,
\"license\"<\/span>: \"ISC\"<\/span>,
\"devDependencies\"<\/span>: {
\"@truffle\/contract\"<\/span>: \"^4.0.33\"<\/span>,
\"dotenv\"<\/span>: \"^8.1.0\"<\/span>,
\"lite-server\": \"^2.5.4\"<\/span>,
\"truffle-hdwallet-provider\"<\/span>: \"^1.0.17\"<\/span>
}
}
<\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u5173\u4e8e\u4f9d\u8d56\u7684\u5305\uff0c\u53ef\u4ee5\u5728\u540e\u9762\u7ae0\u8282\u4e2d\uff0c\u7528\u5230\u65f6\u9010\u4e2a\u5b89\u88c5\u3002\n <\/div>\n2. \u6dfb\u52a0\u667a\u80fd\u5408\u7ea6\u6e90\u6587\u4ef6<\/h2>\n\n \u5728contracts \u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u6587\u4ef6
\n MyContract.sol<\/b>\uff0c\u5185\u5bb9\u5982\u4e0b\u6240\u793a:\n <\/div>\n\n \/\/ \u58f0\u660esolidity\u7248\u672c
pragma solidity ^0.5.0;
\/\/ \u58f0\u660e\u667a\u80fd\u5408\u7ea6MyContract\uff0c\u5408\u7ea6\u7684\u6240\u6709\u4ee3\u7801\u90fd\u5305\u542b\u5728\u82b1\u62ec\u53f7\u4e2d\u3002
contract MyContract {
\/\/ \u58f0\u660e\u4e00\u4e2a\u540d\u4e3avalue\u7684\u72b6\u6001\u53d8\u91cf
string value;
\/\/ \u5408\u7ea6\u6784\u9020\u51fd\u6570\uff0c\u6bcf\u5f53\u5c06\u5408\u7ea6\u90e8\u7f72\u5230\u7f51\u7edc\u65f6\u90fd\u4f1a\u8c03\u7528\u5b83\u3002
\/\/ \u6b64\u51fd\u6570\u5177\u6709public\u51fd\u6570\u4fee\u9970\u7b26\uff0c\u4ee5\u786e\u4fdd\u5b83\u5bf9\u516c\u5171\u63a5\u53e3\u53ef\u7528\u3002
\/\/ \u5728\u8fd9\u4e2a\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u5c06\u516c\u5171\u53d8\u91cfvalue\u7684\u503c\u8bbe\u7f6e\u4e3a\u201cmyValue\u201d\u3002
constructor() public <\/span>{
value = \"myValue\"<\/span>;
}
\/\/ \u672c\u51fd\u6570\u8bfb\u53d6\u503c\u72b6\u6001\u53d8\u91cf\u7684\u503c\u3002\u53ef\u89c1\u6027\u8bbe\u7f6e\u4e3apublic\uff0c\u4ee5\u4fbf\u5916\u90e8\u5e10\u6237\u53ef\u4ee5\u8bbf\u95ee\u5b83\u3002
\/\/ \u5b83\u8fd8\u5305\u542bview\u4fee\u9970\u7b26\u5e76\u6307\u5b9a\u4e00\u4e2a\u5b57\u7b26\u4e32\u8fd4\u56de\u503c\u3002
function get() public <\/span>view returns(string memory ) {
return <\/span>value;
}
\/\/ \u672c\u51fd\u6570\u8bbe\u7f6e\u503c\u72b6\u6001\u53d8\u91cf\u7684\u503c\u3002\u53ef\u89c1\u6027\u8bbe\u7f6e\u4e3apublic\uff0c\u4ee5\u4fbf\u5916\u90e8\u5e10\u6237\u53ef\u4ee5\u8bbf\u95ee\u5b83\u3002
function set(string memory _value) public <\/span>{
value = _value;
}
}
<\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8fd9\u4e2a\u667a\u80fd\u5408\u7ea6\u7684\u529f\u80fd\u662f\u53ef\u4ee5\u83b7\u53d6\u503c\u548c\u8bbe\u7f6e\u503c\u3002\n <\/div>\n3. \u7f16\u8bd1\u9879\u76ee<\/h2>\n\n \u73b0\u5728\u8ba9\u6211\u4eec\u7f16\u8bd1\u9879\u76ee:\n <\/div>\n\n \u9879\u76ee\u76ee\u5f55\u4e0b\u6267\u884c\u547d\u4ee4\uff1a\n <\/div>\n\n$ truffle compile<\/code><\/pre>\n<\/p><\/div>\n\n \u7b49\u7f16\u8bd1\u5b8c\u6210\uff0c\u53ef\u4ee5\u770b\u5230\u591a\u4e86\u4e00\u4e2a
\n build<\/b>\u76ee\u5f55\uff0c\u8be5\u76ee\u5f55\u4e0b\u751f\u6210\u4e86\u65b0\u6587\u4ef6\uff1a
\n .\/build\/contract\/MyContract.json<\/b>\n <\/div>\n\n \u8fd9\u4e2a\u6587\u4ef6\u662f\u667a\u80fd\u5408\u7ea6ABI\u6587\u4ef6\uff0c\u4ee3\u8868\u201c\u62bd\u8c61\u4e8c\u8fdb\u5236\u63a5\u53e3\u201d\u3002\u8fd9\u4e2a\u6587\u4ef6\u6709\u5f88\u591a\u4f5c\u7528\uff0c\u5176\u4e2d2\u4e2a\u91cd\u8981\u4f5c\u7528\uff1a\n <\/div>\n \u4f5c\u4e3a\u53ef\u5728Ethereum\u865a\u62df\u673a(EVM)\u4e0a\u8fd0\u884c\u7684\u53ef\u6267\u884c\u6587\u4ef6<\/span>
\n \u5305\u542b\u667a\u80fd\u5408\u7ea6\u51fd\u6570\u7684JSON\u8868\u793a\uff0c\u4ee5\u4fbf\u5916\u90e8\u5ba2\u6237\u7aef\u53ef\u4ee5\u8c03\u7528\u8fd9\u4e9b\u51fd\u6570<\/span> <\/p>\n\n \u672c\u6559\u7a0b\u7684\u540e\u7eed\u7ae0\u8282\u4e2d\uff0c\u5c06\u6d89\u53ca\u5230\u8fd9\u4e24\u4e2a\u529f\u80fd\u3002\n <\/div>\n <\/body>
\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"\u4ee5\u592a\u574a(Ethereum) \u2013 \u5f00\u53d1\u667a\u80fd\u5408\u7ea6zh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[153],"tags":[],"class_list":["post-1764","post","type-post","status-publish","format-standard","hentry","category-ytfjc"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/1764"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=1764"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/1764\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=1764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=1764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=1764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}