易语言数据的内存结构
<p>由于业务需求 分析了下E语言数据的内存结构 </p><p> </p>
<div class="cnblogs_code">
<pre><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">字节型 char
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">占1个字节内存对齐会占4个字节内存 如果是数组就变成字节集
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">整数型
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">占4个字节
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">如果是数组</span>
<span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)">[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">int</span> data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
<span style="color: rgba(0, 0, 0, 1)">}
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">小数型
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">占4个字节
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">如果是数组</span>
<span style="color: rgba(0, 0, 255, 1)">float</span><span style="color: rgba(0, 0, 0, 1)">[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">float</span> data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
<span style="color: rgba(0, 0, 0, 1)">}
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">逻辑型
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">占4个字节
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">如果是数组</span>
<span style="color: rgba(0, 0, 255, 1)">bool</span><span style="color: rgba(0, 0, 0, 1)">[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">int</span> data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
<span style="color: rgba(0, 0, 0, 1)">}
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">文本型 占4个字节 其实就是C的char *
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">如果是数组</span>
<span style="color: rgba(0, 0, 255, 1)">string</span><span style="color: rgba(0, 0, 0, 1)">[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">char</span>* data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
<span style="color: rgba(0, 0, 0, 1)">}
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">字节集</span>
<span style="color: rgba(0, 0, 0, 1)">bytes[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">char</span> data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
<span style="color: rgba(0, 0, 0, 1)">}
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">短整数型 short int 占2个字节 内存对其会占4个字节
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数组</span>
<span style="color: rgba(0, 0, 255, 1)">short</span> <span style="color: rgba(0, 0, 255, 1)">int</span><span style="color: rgba(0, 0, 0, 1)">[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">short</span> <span style="color: rgba(0, 0, 255, 1)">int</span> data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
<span style="color: rgba(0, 0, 0, 1)">}
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">长整型 long long 占8个字节
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数组</span>
<span style="color: rgba(0, 0, 255, 1)">long</span> <span style="color: rgba(0, 0, 255, 1)">long</span><span style="color: rgba(0, 0, 0, 1)">[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">long</span> <span style="color: rgba(0, 0, 255, 1)">long</span> data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
<span style="color: rgba(0, 0, 0, 1)">}
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">日期时间型 long long 占8个字节
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数组</span>
<span style="color: rgba(0, 0, 255, 1)">long</span> <span style="color: rgba(0, 0, 255, 1)">long</span><span style="color: rgba(0, 0, 0, 1)">[]{
</span><span style="color: rgba(0, 0, 255, 1)">int</span> flag;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不知道是什么标志</span>
unsigned <span style="color: rgba(0, 0, 255, 1)">int</span> size;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据长度</span>
<span style="color: rgba(0, 0, 255, 1)">long</span> <span style="color: rgba(0, 0, 255, 1)">long</span> data;<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">数据</span>
}</pre>
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<p> </p><br><br>
来源：https://www.cnblogs.com/atggg/p/16808375.html
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