Merge branch 'master' of https://bdgit.educoder.net/p8rq79j4h/test1

README.md

@@ -372,7 +372,7 @@ Step 3：查询最后一个学生结束
 Step 4：if未查询到提示学生不存在
 Step 5：else打印学生信息
 
-![查询流程图](images/query_data.drawio.svg)
+![查询流程图](https://code.educoder.net/repo/p8rq79j4h/test1/raw/branch/master/picture.drawio.svg)
 
 
 ### printf_data

picture.drawio.svg

@@ -1,44 +1,125 @@
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+<svg host="65bd71144e" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="411px" height="542px" viewBox="-0.5 -0.5 411 542" content="&lt;mxfile&gt;&lt;diagram id=&quot;kB65XBdy5rx5M8v67JT7&quot; name=&quot;Page-1&quot;&gt;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&lt;/diagram&gt;&lt;/mxfile&gt;">
     <defs/>
     <g>
-        <path d="M 95 100 L 95 213.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/>
+        <ellipse cx="105" cy="51" rx="60" ry="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
-        <path d="M 95 218.88 L 91.5 211.88 L 95 213.63 L 98.5 211.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/>
-        <rect x="0" y="0" width="190" height="100" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
-        <rect x="105" y="145" width="30" height="30" fill="none" stroke="none" 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: 1px; height: 1px; padding-top: 160px; margin-left: 120px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 51px; margin-left: 46px;">
+                        <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;">
+                                <br/>
+                                <h3 id="query_data" style="box-sizing: border-box; margin: 1em 0px 16px; padding: 0px; color: rgba(0, 0, 0, 0.85); font-weight: 700; position: relative; line-height: 1.43; font-size: 1.5em; font-family: &quot;Microsoft YaHei&quot;, Helvetica, &quot;Meiryo UI&quot;, &quot;Malgun Gothic&quot;, &quot;Segoe UI&quot;, &quot;Trebuchet MS&quot;, Monaco, monospace, Tahoma, STXihei, 华文细黑, STHeiti, &quot;Helvetica Neue&quot;, &quot;Droid Sans&quot;, &quot;wenquanyi micro hei&quot;, FreeSans, Arimo, Arial, SimSun, 宋体, Heiti, 黑体, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: justify; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">
+                                    query_data
+                                </h3>
+                                <div>
+                                    <br/>
+                                </div>
+                                <div>
+                                    <br/>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="105" y="55" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    query_data...
+                </text>
+            </switch>
+        </g>
+        <path d="M 45 151 L 165 151" fill="none" stroke="rgb(0, 0, 0)" stroke-width="2" stroke-miterlimit="10" transform="rotate(90,105,151)" pointer-events="all"/>
+        <path d="M 105 171 L 210 231 L 105 291 L 0 231 Z" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" 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: 208px; height: 1px; padding-top: 231px; margin-left: 1px;">
+                        <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;">
+                                for i=0 to num_parts
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="105" y="235" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    for i=0 to num_parts
+                </text>
+            </switch>
+        </g>
+        <path d="M 27.5 371 L 187.5 371" fill="none" stroke="rgb(0, 0, 0)" stroke-width="2" stroke-miterlimit="10" transform="rotate(90,107.5,371)" pointer-events="all"/>
+        <path d="M 205 231 L 295 231" fill="none" stroke="rgb(0, 0, 0)" stroke-width="4" stroke-miterlimit="10" pointer-events="all"/>
+        <rect x="47.5" y="451" width="120" height="80" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <rect x="49.5" y="453" width="116" height="76" 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: 114px; height: 1px; padding-top: 491px; margin-left: 51px;">
+                        <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;">
+                                学生信息不存在
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="108" y="495" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    学生信息不存在
+                </text>
+            </switch>
+        </g>
+        <rect x="110" y="321" width="70" height="30" fill="none" stroke="none" 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: 1px; height: 1px; padding-top: 336px; margin-left: 145px;">
                         <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: nowrap;">
-                                Y
+                                if 查询到
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="120" y="164" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="145" y="340" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    Y
+                    if 查询到
                 </text>
             </switch>
         </g>
-        <rect x="35" y="145" width="30" height="30" fill="none" stroke="none" pointer-events="all"/>
+        <rect x="240" y="196" width="50" height="30" fill="none" stroke="none" 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: 1px; height: 1px; padding-top: 160px; margin-left: 50px;">
+                    <div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 211px; margin-left: 265px;">
                         <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: nowrap;">
-                                N
+                                else
+                            </div>
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="265" y="215" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                    else
+                </text>
+            </switch>
+        </g>
+        <rect x="295" y="211" width="95" height="50" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <rect x="297" y="213" width="91" height="46" 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: 89px; height: 1px; padding-top: 236px; margin-left: 298px;">
+                        <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;">
+                                打印学生信息
                             </div>
                         </div>
                     </div>
                 </foreignObject>
-                <text x="50" y="164" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
+                <text x="343" y="240" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">
-                    N
+                    打印学生信息
                 </text>
             </switch>
         </g>
-        <rect x="35" y="220" width="120" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <path d="M 165 491 L 325 491" fill="none" stroke="rgb(0, 0, 0)" stroke-width="4" stroke-miterlimit="10" pointer-events="all"/>
+        <ellipse cx="350" cy="501" rx="60" ry="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/>
+        <path d="M 247.5 356 L 437.5 356" fill="none" stroke="rgb(0, 0, 0)" stroke-width="4" stroke-miterlimit="10" transform="rotate(90,342.5,356)" pointer-events="all"/>
     </g>
     <switch>
         <g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/>