From f55ed8536ef8caab5ddc5718fd257012398a1197 Mon Sep 17 00:00:00 2001
From: qyx <565485304@qq.com>
Date: Mon, 17 Jul 2023 16:55:01 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E4=B8=80=E4=BA=9B=E5=AD=A6?=
 =?UTF-8?q?=E4=B9=A0=E5=86=85=E5=AE=B9?=
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---
 README.md          | 29 ++++++++++++++++++++++++-----
 demo/ArrayTest.sol | 30 ++++++++++++++++++++++++++++++
 demo/solidity1.sol | 14 ++++++++++++++
 demo/testaddr.sol  | 19 +++++++++++++++++++
 4 files changed, 87 insertions(+), 5 deletions(-)
 create mode 100644 demo/ArrayTest.sol
 create mode 100644 demo/testaddr.sol

diff --git a/README.md b/README.md
index 8bfcf5a..ed063ba 100644
--- a/README.md
+++ b/README.md
@@ -233,11 +233,30 @@ personal.listAccounts
     - 位运算符 & | ^ ``
     - 算术运算 + - * / % ** << >>
       - 右移 等价于 除法去除以2的几次方
-      - 
-  - 字符串常量(String literals)
-  - 地址类型(Address)
-
-
+  - 常量(literals)
+    - 有理数和整型常量
+      - 有理数的常量计算不会有溢出的
+    - 字符串常量
+    - 十六进制常量
+    - 地址常量
+      - 地址合法性检查
+  - 地址类型(Address) 
+    - address: 表示一个账户地址(20个字节)
+    - 成员： 属性 balance, 函数 transfer()
+
+- 引用类型
+  - 数据位置(Data location)
+    - memory, storage
+  - 数组类型
+    - 数组(Arrays)
+      - T[k]: 元素类型为T, 固定长度为k的数组
+      - T[]: 元素类型为T, 长度动态调整
+      - bytes string 是一种特殊的数组
+      - string 可转为 bytes, bytes 类似 byte[]
+      - 数组类型
+        - 属性：length
+        - 函数: push()
+        - 
 
 
 
diff --git a/demo/ArrayTest.sol b/demo/ArrayTest.sol
new file mode 100644
index 0000000..df63d13
--- /dev/null
+++ b/demo/ArrayTest.sol
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.0;
+
+contract  ArrayTest {
+
+    // 以下标为定义的访问器 1 => 2
+    uint [] public u = [1, 2, 3];
+
+    string s = "abcdefg";
+
+    // 获取数组的长度 => string 可以转换成 bytes
+    function h() public constant returns (uint) {
+        return bytes(s).length; // 7
+    }
+
+    // 返回下标为1的元素
+    function f() public view returns (byte) {
+
+        // 调用下面的数组
+        g([uint(1), 2, 3]);
+
+        return bytes(s)[1]; // b -> asc 码 0x62
+    }
+
+    // 数组作为参数进行传递
+    function g(uint[3] _data) public constant {
+
+    }
+
+}
diff --git a/demo/solidity1.sol b/demo/solidity1.sol
index 1678c25..3dabc91 100644
--- a/demo/solidity1.sol
+++ b/demo/solidity1.sol
@@ -7,9 +7,23 @@ import "solidity_for_import.sol";
 contract Test{
     // 状态变量定义
     uint a;
+    int256 b = 20;
+    int256 c = 30;
+
     bool boola = true;
     bool boolb = false;
 
+    function testInt() public returns (int) {
+        if (b > c){
+            return b + c;
+        }else if(b == c){
+            return b * c;
+        }else {
+            return b << 2; // b / 2^2
+        }
+        -1 >> 2;
+    }
+
 
 
     // 函数定义
diff --git a/demo/testaddr.sol b/demo/testaddr.sol
new file mode 100644
index 0000000..2258802
--- /dev/null
+++ b/demo/testaddr.sol
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.4.16;
+
+contract TestAddr {
+
+    function deposit() public payable {
+        
+    }
+
+    /* 获取余额 */
+    function getBalance() public constant returns (uint) {
+        return this.balance;
+    }
+
+    /* 转移以太 */
+    function transferEther(address towho) public {
+        towho.transfer(10); // send 方法可能会失败
+    }
+}