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<p>本次任务是需要在一个指标图上通过点击标记画出此标记参与计算的数据范围、最高最低值、参考线等等,于是有了以下代码。代码仅供参考,如有错误的地方请指正!<br />
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<img data-src="https://nas.jingxiyuan.cn:18014/images/2022/12/02/7fd440be0502d0099427e7c74c4ebf29.jpg" alt="7fd440be0502d0099427e7c74c4ebf29.jpg" /></p>
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<h4 id="模版代码"><a class="anchor" href="#模版代码">#</a> 模版代码</h4>
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<figure class="highlight js"><figcaption data-lang="JavaScript"></figcaption><table><tr><td data-num="1"></td><td><pre><span class="token comment">// 箱体指标</span></pre></td></tr><tr><td data-num="2"></td><td><pre><span class="token keyword">const</span> boxDataScope <span class="token operator">=</span> <span class="token number">300</span> <span class="token comment">// 箱体范围</span></pre></td></tr><tr><td data-num="3"></td><td><pre><span class="token comment">// 黄金线参数</span></pre></td></tr><tr><td data-num="4"></td><td><pre><span class="token keyword">const</span> goldenSectionA <span class="token operator">=</span> <span class="token number">0.191</span></pre></td></tr><tr><td data-num="5"></td><td><pre><span class="token keyword">const</span> goldenSectionB <span class="token operator">=</span> <span class="token number">0.382</span></pre></td></tr><tr><td data-num="6"></td><td><pre><span class="token keyword">const</span> goldenSectionC <span class="token operator">=</span> <span class="token number">0.5</span></pre></td></tr><tr><td data-num="7"></td><td><pre><span class="token keyword">const</span> goldenSectionD <span class="token operator">=</span> <span class="token number">0.618</span></pre></td></tr><tr><td data-num="8"></td><td><pre><span class="token keyword">const</span> goldenSectionE <span class="token operator">=</span> <span class="token number">0.809</span></pre></td></tr><tr><td data-num="9"></td><td><pre><span class="token keyword">this</span><span class="token punctuation">.</span>chart<span class="token punctuation">.</span><span class="token function">addTechnicalIndicatorTemplate</span><span class="token punctuation">(</span><span class="token punctuation">&#123;</span></pre></td></tr><tr><td data-num="10"></td><td><pre> <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'custom_box_solid'</span><span class="token punctuation">,</span></pre></td></tr><tr><td data-num="11"></td><td><pre> <span class="token literal-property property">shortName</span><span class="token operator">:</span> <span class="token string">'箱体'</span><span class="token punctuation">,</span></pre></td></tr><tr><td data-num="12"></td><td><pre> <span class="token literal-property property">precision</span><span class="token operator">:</span> <span class="token number">2</span><span class="token punctuation">,</span></pre></td></tr><tr><td data-num="13"></td><td><pre> <span class="token literal-property property">plots</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token comment">//key 属性的值最好在主图数据范围内,否则 Y 轴的值会跟着变大可能会导致主图变成一条线</span></pre></td></tr><tr><td data-num="14"></td><td><pre> <span class="token punctuation">&#123;</span> <span class="token literal-property property">key</span><span class="token operator">:</span> <span class="token string">'max'</span><span class="token punctuation">,</span> <span class="token literal-property property">title</span><span class="token operator"&gLine truncated
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<figure class="highlight js"><figcaption data-lang="JavaScript"></figcaption><table><tr><td data-num="1"></td><td><pre><span class="token comment">// 箱体指标</span></pre></td></tr><tr><td data-num="2"></td><td><pre><span class="token keyword">const</span> boxDataScope <span class="token operator">=</span> <span class="token number">300</span> <span class="token comment">// 箱体范围</span></pre></td></tr><tr><td data-num="3"></td><td><pre><span class="token comment">// 黄金线参数</span></pre></td></tr><tr><td data-num="4"></td><td><pre><span class="token keyword">const</span> goldenSectionA <span class="token operator">=</span> <span class="token number">0.191</span></pre></td></tr><tr><td data-num="5"></td><td><pre><span class="token keyword">const</span> goldenSectionB <span class="token operator">=</span> <span class="token number">0.382</span></pre></td></tr><tr><td data-num="6"></td><td><pre><span class="token keyword">const</span> goldenSectionC <span class="token operator">=</span> <span class="token number">0.5</span></pre></td></tr><tr><td data-num="7"></td><td><pre><span class="token keyword">const</span> goldenSectionD <span class="token operator">=</span> <span class="token number">0.618</span></pre></td></tr><tr><td data-num="8"></td><td><pre><span class="token keyword">const</span> goldenSectionE <span class="token operator">=</span> <span class="token number">0.809</span></pre></td></tr><tr><td data-num="9"></td><td><pre><span class="token keyword">this</span><span class="token punctuation">.</span>chart<span class="token punctuation">.</span><span class="token function">addTechnicalIndicatorTemplate</span><span class="token punctuation">(</span><span class="token punctuation">&#123;</span></pre></td></tr><tr><td data-num="10"></td><td><pre> <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'custom_box_solid'</span><span class="token punctuation">,</span></pre></td></tr><tr><td data-num="11"></td><td><pre> <span class="token literal-property property">shortName</span><span class="token operator">:</span> <span class="token string">'箱体'</span><span class="token punctuation">,</span></pre></td></tr><tr><td data-num="12"></td><td><pre> <span class="token literal-property property">precision</span><span class="token operator">:</span> <span class="token number">2</span><span class="token punctuation">,</span></pre></td></tr><tr><td data-num="13"></td><td><pre> <span class="token literal-property property">plots</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token comment">//key 属性的值最好在主图数据范围内,否则 Y 轴的值会跟着变大可能会导致主图变成一条线</span></pre></td></tr><tr><td data-num="14"></td><td><pre> <span class="token punctuation">&#123;</span> <span class="token literal-property property">key</span><span class="token operator">:</span> <span class="token string">'max'</span><span class="token punctuation">,</span> <span class="token literal-property property">title</span><span class="token operator"&gLine truncated
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<div class="note info">
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<p>以上代码只是箱体的指标模版,还需要根据业务逻辑在标记上实现点击事件,然后通过事件动态添加移除箱体指标。</p>
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</div>
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