README.md

@@ -372,14 +372,6 @@ Step 3: else 学号存在 then 输出学号、姓名、成绩
 
 ![](pictures/query_data.drawio.svg)
 
-
-#### print_data
-
-Step 1: 输出学号、姓名、成绩
-
-![](pictures/print.drawio.svg)
-
-#### read_data
 #### delete_data
 
 Step 1: 输入学号

pictures/print.drawio.svg

@@ -1,52 +0,0 @@
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-    <defs/>
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-        <ellipse cx="75" cy="35" rx="65" ry="35" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
-        <g transform="translate(-0.5 -0.5)">
-            <switch>
-                <foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;">
-                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 128px; height: 1px; padding-top: 35px; margin-left: 11px;">
-                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
-                            <div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">
-                                print_data
-                            </div>
-                        </div>
-                    </div>
-                </foreignObject>
-                <text x="75" y="39" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    print_data
-                </text>
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-        <g transform="translate(-0.5 -0.5)">
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-                        <div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;">
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-                                输出学号姓名成绩
-                            </div>
-                        </div>
-                    </div>
-                </foreignObject>
-                <text x="75" y="144" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    输出学号姓名成绩
-                </text>
-            </switch>
-        </g>
-        <ellipse cx="75" cy="260" rx="70" ry="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
-    </g>
-    <switch>
-        <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>
-        <a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank">
-            <text text-anchor="middle" font-size="10px" x="50%" y="100%">
-                Text is not SVG - cannot display
-            </text>
-        </a>
-    </switch>
-</svg>